aculeate
American Heritage Dictionary:
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a·cu·le·ate
(ə-kyū'lē-ĭt, -āt') 
adj.
adj.
- Biology. Having a stinger, as a bee or wasp.
- Botany. Having sharp prickles.
[Latin acūleātus, from acūleus, sting, diminutive of acus, needle. See acumen.]
American Heritage Stedman's Medical Dictionary:
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a·cu·le·ate
(ə-kyū'lē-ĭt, -āt')
adj.
adj.
Covered with sharp spines; pointed.
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American Heritage Dictionary
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.
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American Heritage Stedman's Medical Dictionary
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company.
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