Having a margin with low, rounded or scalloped projections: a crenate leaf. (adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "crenate" in a sentence
"To 4 cm long, broadly ovate, very aromatic with a blunt or rounded apex, margin with blunt notches (crenate), upper surface rough."
"LEAVES: To 10 cm long, usually opposite, ovate to elliptic with a crenate (bluntly notched) margin, rough above, softly hairy below."
"The ovate crenate leaves, which measure from an inch or even less, to one inch and a half in length by about half the length in breadth, are leathery, dark green above, grayish above."