half-moon /ˈhæfˌmun, ˈhɑf-/
半月,半月形,半月堡(a.)半月的,半月形的,半月堡的
half-moon /-ˌmun/ 名詞
半月形,弧影,弧形
Half-moon n.
1. The moon at the quarters, when half its disk appears illuminated.
2. The shape of a half-moon; a crescent.
See how in warlike muster they appear,
In rhombs, and wedges, and half-moons, and wings. --Milton.
3. Fort. An outwork composed of two faces, forming a salient angle whose gorge resembles a half-moon; -- now called a ravelin.
4. Zool. A marine, sparoid, food fish of California (Caesiosoma Californiense). The body is ovate, blackish above, blue or gray below. Called also medialuna.
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half-moon
n 1: the crescent-shaped area at the base of the human fingernail
[syn: lunula, lunule]
2: the time at which the moon is at first or last quarter when
half its face is illuminated