crenate

adjective

cre·​nate ˈkrē-ˌnāt 

variants or crenated

ˈkrē-ˌnā-təd 

: having the margin or surface cut into rounded scallops

a crenate leaf

Word History

Etymology

borrowed from New Latin crenātus, probably Latinization of Middle French crené, past participle of crener "to mark with a notch," derivative of cren, cran "notch" — more at crenellated

First Known Use

1688, in the meaning defined above