[ haf-moon, hahf- ]
/ ˈhæfˈmun, ˈhɑf- /


the moon when, at either quadrature, half its disk is illuminated.
the phase of the moon at this time.
something having the shape of a half-moon or crescent.



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Origin of half-moon

late Middle English word dating back to 1375–1425

Definition for half-moon (2 of 2)

Half Moon


the ship in which Henry Hudson made his voyage to explore America in 1609.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for half-moon

British Dictionary definitions for half-moon



the moon at first or last quarter when half its face is illuminated
the time at which a half-moon occurs
  1. something shaped like a half-moon
  2. (as modifier)half-moon spectacles
anatomy a nontechnical name for lunula
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012