The Collaborative International Dictionary
Crenelating
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.]
To furnish with crenelles.
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To indent; to notch; as, a crenelated leaf.
Crenelated molding (Arch.), a kind of indented molding used in Norman buildings.
Wiktionary
crenelating
vb. (present participle of crenelate English)