| half-moon | |
| —n | |
| 1. | the moon at first or last quarter when half its face is illuminated |
| 2. | the time at which a half-moon occurs |
| 3. | a. something shaped like a half-moon |
| b. (as modifier): half-moon spectacles | |
| 4. | anatomy a nontechnical name for lunula |
| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |
| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |