DICT.TW Dictionary Taiwan

 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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