semilunar

adjective

semi·​lu·​nar ˌse-mē-ˈlü-nər How to pronounce semilunar (audio)
ˌse-ˌmī-,
-mi-
: lunate

Word History

Etymology

New Latin semilunaris, from Latin semi- + lunaris lunar

First Known Use

1597, in the meaning defined above

Time Traveler
The first known use of semilunar was in 1597

Browse Nearby Words

Cite this Entry

“Semilunar.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/semilunar. Accessed 4 Mar. 2025.

Medical Definition

semilunar

adjective
semi·​lu·​nar -ˈlü-nər How to pronounce semilunar (audio)
: shaped like a crescent
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