| Words | Parts of Speech | Meaning/Definition/Similar Words |
|---|---|---|
| open-air | adjective | Taking place in the open air; outdoor; as, an open-air game or meeting. |
| openbill | noun | A bird of the genus Anastomus, allied to the stork; — so called because the two parts of the bill touch only at the base and tip. One species inhabits India, another Africa. Called also open-beak. See Illust. (m), under Beak. |
| openness | noun | The quality or state of being open. |
| openwork | noun | Anything so constructed or manufactured (in needlework, carpentry, metal work, etc.) as to show openings through its substance; work that is perforated or pierced., A quarry; an open cut. |