crenulated

1 of 2

adjective

cren·​u·​lat·​ed ˈkren-yə-ˌlā-təd How to pronounce crenulated (audio)
variants or crenulate
: having an irregularly wavy or serrate outline
a crenulated shoreline
crenulation noun

crenulation

2 of 2

noun

cren·​u·​la·​tion ˌkren-yə-ˈlā-shən How to pronounce crenulation (audio)
plural -s
1
: a minute crenation
2
: the state of being minutely crenate

Word History

Etymology

Adjective

crenulate "serrate" (borrowed from New Latin crenulātus, from presumed *crenula, diminutive of *crena "notch," back-formed from crenātus crenate) + -ed entry 1

Noun

crenulate + -ion

First Known Use

Adjective

1777, in the meaning defined above

Time Traveler
The first known use of crenulated was in 1777

Browse Nearby Words

Cite this Entry

“Crenulated.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/crenulated. Accessed 7 Jul. 2026.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster