Definition of "half-moon" []

• The moon when only half its disk is illuminated. (noun)
• Something, such as the lunula of a fingernail, that is shaped like a crescent. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "moon is 50 percent illuminated at its First or Last Quarter phase; also sometimes called the "half-moon", that it would be shining only half as bright as a full moon."
• "Cal eyed the window through his half-moon reading glasses."
• "No need to see the faded green wallpaper, the tired carpet, the half-moon telephone table, and the coat-stand in the hallway."