adjective Botany, Zoology.
having a toothed margin or toothlike projections or processes.

1800–10; < Latin dentātus, equivalent to dent- (stem of dēns) tooth + -ātus -ate1

dentately, adverb
subdentate, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
dentate (ˈdɛnteɪt)
1.  having teeth or toothlike processes
2.  (of leaves) having a toothed margin
[C19: from Latin dentātus]

Collins English Dictionary - Complete & Unabridged 10th Edition
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Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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American Heritage
Medical Dictionary

dentate den·tate (děn'tāt')
Edged with toothlike projections; toothed.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
dentate   (děn'tāt')  Pronunciation Key 
Edged with toothlike projections; toothed. Used of leaves, such as those of birches.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences for dentate
Failure to establish a distinct granule cell layer in the dentate gyrus.
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