half-moon

[haf-moon, hahf-]
noun
1.
the moon when, at either quadrature, half its disk is illuminated.
2.
the phase of the moon at this time. See diag. under moon.
3.
something having the shape of a half-moon or crescent.

Origin:
1375–1425; late Middle English

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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World English Dictionary
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

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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00:10
Half-moon is always a great word to know.
So is lollapalooza. Does it mean:
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.
Example sentences
Put a scant teaspoon filling on each round, then brush edge lightly with water and fold pastry over filling to form a half-moon.
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