a. Zool. and Bot. [ad. mod.L. crēnulātus, f. crēnula, dim. of crēna (see CRENA) + -ATE1. In mod.F. crénulé.] Having the edge divided into minute rounded teeth; finely notched or scalloped: said of a leaf, a shell, etc.
1794. Martyn, Rousseau’s Bot., xxvii. 414. The second has the lip of the nectary crenulate.
1846. Dana, Zooph. (1848), 136. Margin of base crenulate.
1869. Oliver, Elem. Bot., App. 309. Lower petal … 3-lobed,… lateral lobes usually larger, crenulate.
