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pinnule |
2 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Pinnule \Pin"nule\, n. [L. pinnula, dim. of pinna feather: cf F. pinnule.] 1. (Bot.) One of the small divisions of a decompound frond or leaf. See Illust. of {Bipinnate leaf}, under {Bipinnate}. 2. (Zo["o]l.) Any one of a series of small slender organs, or parts when arranged in rows so as to have a plumelike appearance; as a pinnule of a gorgonia; the pinnules of a crinoid. From WordNet r 1.6 [wn]: pinnule n : division of a usually pinnately divided leaf [syn: {pinna}]
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