- (n.) The shape of a half-moon; a crescent.
- (n.) An outwork composed of two faces, forming a salient angle whose gorge resembles a half-moon; -- now called a ravelin.
- (n.) A marine, sparoid, food fish of California (Caesiosoma Californiense). The body is ovate, blackish above, blue or gray below. Called also medialuna.
- (n.) The moon at the quarters, when half its disk appears illuminated.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). Half-moon. Retrieved September 28, 2026, from http://smartdefine.org/half-moon/definitions/2014712 |
| Chicago | Webster's. 2011. "Half-moon" http://smartdefine.org/half-moon/definitions/2014712 (accessed September 28, 2026). |
| Harvard | Webster's 2011, Half-moon, Smart Define, viewed 28 September, 2026, <http://smartdefine.org/half-moon/definitions/2014712>. |
| MLA | Webster's. "Half-moon" 27 May 2011. Web. 28 September 2026. <http://smartdefine.org/half-moon/definitions/2014712> |