1. Noun
The moon at the quarters, when half its disk appears illuminated.
2. Noun
The shape of a half-moon; a crescent.
3. Noun
An outwork composed of two faces, forming a salient angle whose gorge resembles a half-moon; -- now called a ravelin.
4. Noun
A marine, sparoid, food fish of California (Caesiosoma Californiense). The body is ovate, blackish above, blue or gray below. Called also medialuna.
5. Noun
the time at which the Moon is at first or last quarter when half its face is illuminated
Vocabulary classified under Physics
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