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pinna

Pinna is a 5 letter word which starts with the letter P and ends with the letter A for which we found 5 definitions.

Definition
(n.) A leaflet of a pinnate leaf. See Illust. of Bipinnate leaf under Bipinnate.
(n.) One of the primary divisions of a decompound leaf.
(n.) One of the divisions of a pinnate part or organ.
(n.) Any species of Pinna a genus of large bivalve mollusks found in all warm seas. The byssus consists of a large number of long silky fibers which have been used in manufacturing woven fabrics as a curiosity.
(n.) The auricle of the ear. See Ear.
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