crenelle
Cre*nelle", Cre*nel" (kr-nl"), n. Etym: [OF. crenel, F. cr, LL. crenellus, kernellus, dim. (prob.) fr. L. crena notch. See Crenny.] 1. An embrasure or indentation in a battlement; a loophole in a fortress; an indentation; a notch. See Merlon, and Illust. of Battlement. 2. (Bot.) Defn: Same as Crenature.