[spahy-nyool, spin-yool]
noun Zoology, Botany.
a small spine.

1745–55; < Latin spīnula. See spine, -ule

spinulose [spin-yuh-lohs, spahy-nyuh-] , adjective
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World English Dictionary
spinule (ˈspaɪnjuːl)
biology a very small spine, thorn, or prickle
[C18: from Late Latin spīnula]

Collins English Dictionary - Complete & Unabridged 10th Edition
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Example sentences
The distal group of fine, short setules runs nearly to the tip of the claw, terminating in one heavier spinule.
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