Crenelate \Cren"el*ate\ (kr?n"?l-?t or kr?"n?l-?t), v. t. [imp. & p. p. {Crenelated} (-?`t?d); p. pr. & vb. n. {Crenelating} (-?`t?ng).] [LL. crenellare, kernellare: cf. F. cr?neler to indent. See {Crenelle}.] [Written also {crenellate}.] 1. To furnish with crenelles. 2. To indent; to notch; as, a crenelated leaf. {Crenelated molding} (Arch.), a kind of indented molding used in Norman buildings.