crenulated

1 of 2

adjective

: having an irregularly wavy or serrate outline
a crenulated shoreline

crenulation

2 of 2

noun

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

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Cite this Entry

“Crenulated.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/crenulated. Accessed 15 Jul. 2026.

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