half-moon
noun
the moon when, at either quadrature, half its disk is illuminated.
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half-moon
1 American
[haf-moon, hahf-]
/ ˈhæfˈmun, ˈhɑf- /
noun
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the moon when, at either quadrature, half its disk is illuminated.
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the phase of the moon at this time.
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something having the shape of a half-moon or crescent.
Half Moon
2
American
noun
half-moon
British
noun
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the moon at first or last quarter when half its face is illuminated
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the time at which a half-moon occurs
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something shaped like a half-moon
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( as modifier )
half-moon spectacles
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anatomy a nontechnical name for lunula
Etymology
Origin of half-moon
late Middle English word dating back to 1375–1425
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
See Examples For:
And then there are the Mayer’s new front doors, sporting curved, half-moon glass reminiscent of a classic theater.
From Salon ● Dec. 18, 2025
To this day, when the pool is drained, the hotel retouches the lines, refreshing Hockney’s iconic blue half-moon marks every year or so.
From Los Angeles Times ● Feb. 7, 2025
Speaking on a crisp Friday morning at a lodge of an Italian-American fraternal group in the Des Moines suburbs, she addressed a packed room of mostly older voters arranged around her in a half-moon.
From Slate ● Jan. 14, 2024
The largest planet in the solar system will dominate the early evening sky on January 18, appearing beside a glowing half-moon.
From National Geographic ● Dec. 6, 2023
I keep my eyes on Uhmma’s perfect half-moon face.
From "A Step from Heaven" by An Na
The Rolling Stones frontman was spotted at the Half Moon in St Clements performing during the venue's weekly folk session on Sunday night.
From BBC ● Jun. 10, 2026
Half Moon partner Brandon Carnovale said Findell’s support for Field and call for improved board governance was a welcome approach.
From Barron's ● May 28, 2026
He received a free seed from Gienger after losing to him by 6 pounds last year in the coveted Safeway World Championship Pumpkin Weigh-Off in Half Moon Bay, Calif.
From The Wall Street Journal ● Nov. 10, 2025
Half Moon Bay got as close as 44-40 with 3:17 left.
From Los Angeles Times ● Mar. 15, 2025
One of these, the little Half Moon, commanded by an Englishman in their employ, Henry Hudson, sailed all along the northern coast, and up the Hudson River as far as Albany.
From Woman's Club Work and Programs First Aid to Club Women by Benton, Caroline French
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
