Webster’s Revised Unabridged Dictionary · 1913
Crenature
Cren′a·ture (kr?n′?-t?r or kr?′n?-; 135), n. 1. (Bot.) A rounded tooth or notch of a crenate leaf, or any part that is crenate; — called also crenelle.
2. The state of being crenated or notched.