[adj. ser-eyt, -it; v. ser-eyt, suh-reyt]
Chiefly Biology. notched on the edge like a saw: a serrate leaf.
Numismatics. (of a coin) having a grooved edge.
verb (used with object), serrated, serrating.
to make serrate or serrated: He serrated the knives so they would cut meat easily.

1590–1600; < Latin serrātus, equivalent to serr(a) saw + -ātus -ate1

subserrate, adjective
unserrate, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
1.  (of leaves) having a margin of forward pointing teeth
2.  having a notched or sawlike edge
3.  (tr) to make serrate
[C17: from Latin serrātus saw-shaped, from serra a saw]

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

serrate ser·rate (sěr'āt') or ser·rat·ed (-ā'tĭd)

  1. Having or forming a row of small, sharp, projections resembling the teeth of a saw.

  2. Having a saw-toothed edge or margin notched with toothlike projections.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Example sentences for serrate
Each leaf consists of three obovate leaflets with serrate leaf margins.
All are alternate, doubly serrate, featherveined, petiolate, and stipulate.
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