English Dictionary: Pinnas | by the DICT Development Group |
1 result for Pinnas | |
From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
d8Pinna \[d8]Pin"na\, n.; pl. {Pinn[91]}, E. {Pinnas}. [L., a feather.] 1. (Bot.) (a) A leaflet of a pinnate leaf. See Illust. of {Bipinnate leaf}, under {Bipinnate}. (b) One of the primary divisions of a decompound leaf. 2. (Zo[94]l.) One of the divisions of a pinnate part or organ. 3. [L. pinna, akin to Gr. [?].] (Zo[94]l.) 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. 4. (Anat.) The auricle of the ear. See {Ear}. |