/ Dictionary / Index C crenulate: Meaning and Definition of Find definitions for: cren•u•late Pronunciation: (kren'yu-lāt", -lit), [key] — adj. minutely crenate, as the margin of certain leaves. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: crenulate (Thesaurus) Crenshaw melon crenulation Related Content Daily Word Quiz: lunar Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language