ˈkrēˌnāt, -reˌ-, -_nə̇t adjective
Etymology: New Latin crenatus, from Medieval Latin, past participle of crenare to split — more at crenel
: having the margin cut into rounded scallops — used especially in botany of foliar structures
a bi crenate leaf
and in physiology of shrunken red blood corpuscles — see crenation
• cre·nate·ly adverb