half-moon

noun

ˈhaf-ˌmün How to pronounce half-moon (audio)
ˈhäf-
1
: the moon when half its disk appears illuminated
2
: something shaped like a crescent
3
: the lunule of a fingernail
half-moon adjective

Examples of half-moon in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Ventilation is provided by half-moon vents on each sidewall, as well as openable windows. New Atlas, 15 Dec. 2025 The replica sits on a gold-rimmed plate, a glossy half-moon smeared with ketchup. Lauren Collins, New Yorker, 15 Dec. 2025 Buckley can be a wonderful actress—her crooked smile, like a tipsy half-moon, is nothing less than a marvel. Stephanie Zacharek, Time, 27 Nov. 2025 Over the years, the British socialite had the earrings remade on two separate occasions, using an array of diamond cuts, from half-moon and trapeze, to baguette, and emerald. Emily Chan, Vogue, 22 Nov. 2025 See All Example Sentences for half-moon

Word History

First Known Use

15th century, in the meaning defined at sense 1

Time Traveler
The first known use of half-moon was in the 15th century

Browse Nearby Words

Cite this Entry

“Half-moon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/half-moon. Accessed 24 Dec. 2025.

Kids Definition

half-moon

noun
-ˌmün
: the moon when half its disk appears lighted

Medical Definition

half-moon

noun
Last Updated: - Updated example sentences
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