Bot. & Zool. [f. mod.L. crēnāt-us + -URE: cf. OF. creneure.] A rounded tooth or denticulation on the margin of a leaf, etc. Also sometimes applied to the notches or indentations between the teeth.
1816. Kirby & Sp., Entomol. (1843), I. 389. Mining into the very crenatures between the two surfaces of the leaf.
1845. Lindley, Sch. Bot., iv. (1858), 26. Leaflets 3-lobed, with ovate, rounded crenatures.
1869. Oliver, Elem. Bot., II. 177. The leaves … produce young plants from buds originating in the notches (crenatures) of the margin.
