acicula
American Heritage Dictionary:
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a·cic·u·la
(ə-sĭk'yə-lə) 
n., pl., -lae (-lē').
A slender, needlelike part or structure, such as the spines or bristles of some plants and animals and the crystals of certain minerals.
n., pl., -lae (-lē').
A slender, needlelike part or structure, such as the spines or bristles of some plants and animals and the crystals of certain minerals.
[Latin, hairpin, diminutive of acus, needle.]
aciculate a·cic'u·late (-lĭt, -lāt') or a·cic'u·lat'ed (-lā'tĭd) adj.Roget's Thesaurus:
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acicula
noun
- A sharp or tapered end: acumination, apex, cusp, mucro, mucronation, point, tip. See sharp/dull.
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Acicula
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This article is about a bristle-worm anatomical feature. For the snail of Aciculidae family, see Acicula (genus)
Acicula are the chitinous support rods within parapodia found in the class Polychaeta.
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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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Roget's Thesaurus
Roget's II: The New Thesaurus, Third Edition by the Editors of the American Heritage® Dictionary Copyright © 1995 byHoughton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
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