3 letter word starting with o

Words Parts of Speech Meaning/Definition/Similar Words
our plural of I, Of or pertaining to us; belonging to us; as, our country; our rights; our troops; our endeavors. See I.
o’s plural of O
oes plural of O
oad noun See Woad.
oaf noun Originally, an elf’s child; a changeling left by fairies or goblins; hence, a deformed or foolish child; a simpleton; an idiot.
oak noun Any tree or shrub of the genus Quercus. The oaks have alternate leaves, often variously lobed, and staminate flowers in catkins. The fruit is a smooth nut, called an acorn, which is more or less inclosed in a scaly involucre called the cup or cupule. There are now recognized about three hundred species, of which nearly fifty occur in the United States, the rest in Europe, Asia, and the other parts of North America, a very few barely reaching the northern parts of South America and Africa. Many of the oaks form forest trees of grand proportions and live many centuries. The wood is usually hard and tough, and provided with conspicuous medullary rays, forming the silver grain., The strong wood or timber of the oak.
oar n An implement for impelling a boat, being a slender piece of timber, usually ash or spruce, with a grip or handle at one end and a broad blade at the other. The part which rests in the rowlock is called the loom., An oarsman; a rower; as, he is a good oar., An oarlike swimming organ of various invertebrates., To row.
oat noun A well-known cereal grass (Avena sativa), and its edible grain; — commonly used in the plural and in a collective sense., A musical pipe made of oat straw.
ob- A prefix signifying to, toward, before, against, reversely, etc.; also, as a simple intensive; as in oblige, to bind to; obstacle, something standing before; object, lit., to throw against; obovate, reversely, ovate. Ob- is commonly assimilated before c, f, g, and p, to oc-, of-, og-, and op-.
obi noun A species of sorcery, probably of African origin, practiced among the negroes of the West Indies., A charm or fetich.
oby noun See Obi.
oca noun A Peruvian name for certain species of Oxalis (O. crenata, and O. tuberosa) which bear edible tubers.
odd superl. Not paired with another, or remaining over after a pairing; without a mate; unmatched; single; as, an odd shoe; an odd glove., Not divisible by 2 without a remainder; not capable of being evenly paired, one unit with another; as, 1, 3, 7, 9, 11, etc., are odd numbers., Left over after a definite round number has been taken or mentioned; indefinitely, but not greatly, exceeding a specified number; extra., Remaining over; unconnected; detached; fragmentary; hence, occasional; inconsiderable; as, odd jobs; odd minutes; odd trifles., Different from what is usual or common; unusual; singular; peculiar; unique; strange.
ode noun A short poetical composition proper to be set to music or sung; a lyric poem; esp., now, a poem characterized by sustained noble sentiment and appropriate dignity of style.
ods interj. A corruption of God’s; — formerly used in oaths and ejaculatory phrases.
off adverb In a general sense, denoting from or away from; as:, Denoting distance or separation; as, the house is a mile off., Denoting the action of removing or separating; separation; as, to take off the hat or cloak; to cut off, to pare off, to clip off, to peel off, to tear off, to march off, to fly off, and the like., Denoting a leaving, abandonment, departure, abatement, interruption, or remission; as, the fever goes off; the pain goes off; the game is off; all bets are off., Denoting a different direction; not on or towards: away; as, to look off., Denoting opposition or negation., Away; begone; — a command to depart., Not on; away from; as, to be off one’s legs or off the bed; two miles off the shore., On the farther side; most distant; on the side of an animal or a team farthest from the driver when he is on foot; in the United States, the right side; as, the off horse or ox in a team, in distinction from the nigh or near horse or ox; the off leg., Designating a time when one is not strictly attentive to business or affairs, or is absent from his post, and, hence, a time when affairs are not urgent; as, he took an off day for fishing: an off year in politics., The side of the field that is on the right of the wicket keeper.
oft adverb Often; frequently; not rarely; many times., Frequent; often; repeated.
ohm noun The standard unit in the measure of electrical resistance, being the resistance of a circuit in which a potential difference of one volt produces a current of one ampere. As defined by the International Electrical Congress in 1893, and by United States Statute, it is a resistance substantially equal to 109 units of resistance of the C.G.S. system of electro-magnetic units, and is represented by the resistance offered to an unvarying electric current by a column of mercury at the temperature of melting ice 14.4521 grams in mass, of a constant cross-sectional area, and of the length of 106.3 centimeters. As thus defined it is called the international ohm.
oho interj. An exclamation of surprise, etc.
oil noun Any one of a great variety of unctuous combustible substances, not miscible with water; as, olive oil, whale oil, rock oil, etc. They are of animal, vegetable, or mineral origin and of varied composition, and they are variously used for food, for solvents, for anointing, lubrication, illumination, etc. By extension, any substance of an oily consistency; as, oil of vitriol., To smear or rub over with oil; to lubricate with oil; to anoint with oil.
ojo noun A spring, surrounded by rushes or rank grass; an oasis.
oke noun A Turkish and Egyptian weight, equal to about 2/ pounds., An Hungarian and Wallachian measure, equal to about 2/ pints.
old noun Open country., Not young; advanced far in years or life; having lived till toward the end of the ordinary term of living; as, an old man; an old age; an old horse; an old tree., Not new or fresh; not recently made or produced; having existed for a long time; as, old wine; an old friendship., Formerly existing; ancient; not modern; preceding; original; as, an old law; an old custom; an old promise., Continued in life; advanced in the course of existence; having (a certain) length of existence; — designating the age of a person or thing; as, an infant a few hours old; a cathedral centuries old., Long practiced; hence, skilled; experienced; cunning; as, an old offender; old in vice., Long cultivated; as, an old farm; old land, as opposed to new land, that is, to land lately cleared., Worn out; weakened or exhausted by use; past usefulness; as, old shoes; old clothes., More than enough; abundant., Aged; antiquated; hence, wanting in the mental vigor or other qualities belonging to youth; — used disparagingly as a term of reproach., Old-fashioned; wonted; customary; as of old; as, the good old times; hence, colloquially, gay; jolly., Used colloquially as a term of cordiality and familiarity.
olf noun The European bullfinch.
omy adjective Mellow, as land.
one adjective Being a single unit, or entire being or thing, and no more; not multifold; single; individual., Denoting a person or thing conceived or spoken of indefinitely; a certain. “I am the sister of one Claudio” [Shak.], that is, of a certain man named Claudio., Pointing out a contrast, or denoting a particular thing or person different from some other specified; — used as a correlative adjective, with or without the., Closely bound together; undivided; united; constituting a whole., Single in kind; the same; a common., Single; inmarried., A single unit; as, one is the base of all numbers., A symbol representing a unit, as 1, or i., A single person or thing., Any person, indefinitely; a person or body; as, what one would have well done, one should do one’s self., To cause to become one; to gather into a single whole; to unite; to assimilite.
ony adjective Any.
ook noun Oak.
oon adjective One.
oop verb t. To bind with a thread or cord; to join; to unite.
ope adjective Open., To open.
ora noun A money of account among the Anglo-Saxons, valued, in the Domesday Book, at twenty pence sterling., of Os
orb noun A blank window or panel., A spherical body; a globe; especially, one of the celestial spheres; a sun, planet, or star., One of the azure transparent spheres conceived by the ancients to be inclosed one within another, and to carry the heavenly bodies in their revolutions., A circle; esp., a circle, or nearly circular orbit, described by the revolution of a heavenly body; an orbit., A period of time marked off by the revolution of a heavenly body., The eye, as luminous and spherical., A revolving circular body; a wheel., A sphere of action., Same as Mound, a ball or globe. See lst Mound., A body of soldiers drawn up in a circle, as for defense, esp. infantry to repel cavalry., To form into an orb or circle., To encircle; to surround; to inclose., To become round like an orb.
orc noun The grampus.
ord noun An edge or point; also, a beginning.
ore noun Honor; grace; favor; mercy; clemency; happy augry., The native form of a metal, whether free and uncombined, as gold, copper, etc., or combined, as iron, lead, etc. Usually the ores contain the metals combined with oxygen, sulphur, arsenic, etc. (called mineralizers)., A native metal or its compound with the rock in which it occurs, after it has been picked over to throw out what is worthless., Metal; as, the liquid ore.
orf noun Alt. of Orfe
ork noun See Orc.
orn verb t. To ornament; to adorn.
ort noun A morsel left at a meal; a fragment; refuse; — commonly used in the plural.
oss noun To prophesy; to presage.
ost noun See Oast.
oul noun An awl., An owl.
out adjective In its original and strict sense, out means from the interior of something; beyond the limits or boundary of somethings; in a position or relation which is exterior to something; — opposed to in or into. The something may be expressed after of, from, etc. (see Out of, below); or, if not expressed, it is implied; as, he is out; or, he is out of the house, office, business, etc.; he came out; or, he came out from the ship, meeting, sect, party, etc., Away; abroad; off; from home, or from a certain, or a usual, place; not in; not in a particular, or a usual, place; as, the proprietor is out, his team was taken out., Beyond the limits of concealment, confinement, privacy, constraint, etc., actual of figurative; hence, not in concealment, constraint, etc., in, or into, a state of freedom, openness, disclosure, publicity, etc.; as, the sun shines out; he laughed out, to be out at the elbows; the secret has leaked out, or is out; the disease broke out on his face; the book is out., Beyond the limit of existence, continuance, or supply; to the end; completely; hence, in, or into, a condition of extinction, exhaustion, completion; as, the fuel, or the fire, has burned out., Beyond possession, control, or occupation; hence, in, or into, a state of want, loss, or deprivation; — used of office, business, property, knowledge, etc.; as, the Democrats went out and the Whigs came in; he put his money out at interest., Beyond the bounds of what is true, reasonable, correct, proper, common, etc.; in error or mistake; in a wrong or incorrect position or opinion; in a state of disagreement, opposition, etc.; in an inharmonious relation., Not in the position to score in playing a game; not in the state or turn of the play for counting or gaining scores., One who, or that which, is out; especially, one who is out of office; — generally in the plural., A place or space outside of something; a nook or corner; an angle projecting outward; an open space; — chiefly used in the phrase ins and outs; as, the ins and outs of a question. See under In., A word or words omitted by the compositor in setting up copy; an omission., To cause to be out; to eject; to expel., To come out with; to make known., To give out; to dispose of; to sell., To come or go out; to get out or away; to become public., Expressing impatience, anger, a desire to be rid of; — with the force of command; go out; begone; away; off.
ova noun pl. See Ovum., of Ovum
owe verb To possess; to have, as the rightful owner; to own., To have or possess, as something derived or bestowed; to be obliged to ascribe (something to some source); to be indebted or obliged for; as, he owed his wealth to his father; he owed his victory to his lieutenants., Hence: To have or be under an obigation to restore, pay, or render (something) in return or compensation for something received; to be indebted in the sum of; as, the subject owes allegiance; the fortunate owe assistance to the unfortunate., To have an obligation to (some one) on account of something done or received; to be indebted to; as, to iwe the grocer for supplies, or a laborer for services.
owl noun Any species of raptorial birds of the family Strigidae. They have large eyes and ears, and a conspicuous circle of feathers around each eye. They are mostly nocturnal in their habits., A variety of the domestic pigeon., To pry about; to prowl., To carry wool or sheep out of England., Hence, to carry on any contraband trade.
own verb t. To grant; to acknowledge; to admit to be true; to confess; to recognize in a particular character; as, we own that we have forfeited your love., Belonging to; belonging exclusively or especially to; peculiar; — most frequently following a possessive pronoun, as my, our, thy, your, his, her, its, their, in order to emphasize or intensify the idea of property, peculiar interest, or exclusive ownership; as, my own father; my own composition; my own idea; at my own price., To hold as property; to have a legal or rightful title to; to be the proprietor or possessor of; to possess; as, to own a house.