Definitions of pinna
n. - A leaflet of a pinnate leaf. See Illust. of Bipinnate leaf, under Bipinnate. 2
n. - One of the primary divisions of a decompound leaf. 2
n. - One of the divisions of a pinnate part or organ. 2
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. 2
n. - The auricle of the ear. See Ear. 2
The word "pinna" uses 5 letters: A I N N P.
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