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cre·nate(krē′nāt′) also cre·nat·ed (-nā′tĭd)
Having a margin with low, rounded or scalloped projections: a crenate leaf.
[New Latin crēnātus, from Late Medieval Latin crēna, notch, from a reading of an uncertain Latin word in a corrupt passage in Pliny the Elder (influenced by Old French cren, notch).]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.