Definition of pinna

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Pinna (n.) A leaflet of a pinnate leaf. See Illust. of Bipinnate leaf, under Bipinnate..

Lern More About Pinna

Pinnate :: Pinnate (a.) Alt. of Pinnate.
Pinnatifid :: Pinnatifid (a.) Divided in a pinnate manner, with the divisions not reaching to the midrib..
Pinnacle :: Pinnacle (v. t.) To build or furnish with a pinnacle or pinnacles.
Pinnulate :: Pinnulate (a.) Having each pinna subdivided; -- said of a leaf, or of its pinnae..
Pinnatiped :: Pinnatiped (n.) Any bird which has the toes bordered by membranes.
Pinnace :: Pinnace (n.) A small vessel propelled by sails or oars, formerly employed as a tender, or for coast defence; -- called originally, spynace or spyne..
Pinnule :: Pinnule (n.) One of the small divisions of a decompound frond or leaf. See Illust. of Bipinnate leaf, under Bipinnate..
Tripinnate :: Tripinnate (a.) Having bipinnate leaflets arranged on each side of a rhachis.
Gougeshell :: Gougeshell (n.) A sharp-edged, tubular, marine shell, of the genus Vermetus; also, the pinna. See Vermetus..
Tor :: Tor (n.) High-pointed hill; a rocky pinnacle.
Byssus :: Byssus (n.) A tuft of long, tough filaments which are formed in a groove of the foot, and issue from between the valves of certain bivalve mollusks, as the Pinna and Mytilus, by which they attach themselves to rocks, etc..
Pinnately :: Pinnately (adv.) In a pinnate manner.
Pinnated :: Pinnated (a.) Consisting of several leaflets, or separate portions, arranged on each side of a common petiole, as the leaves of a rosebush, a hickory, or an ash. See Abruptly pinnate, and Illust., under Abruptly..
Barque :: Barque (n.) Formerly, any small sailing vessel, as a pinnace, fishing smack, etc.; also, a rowing boat; a barge. Now applied poetically to a sailing vessel or boat of any kind..
Catadromous :: Catadromous (a.) Having the lowest inferior segment of a pinna nearer the rachis than the lowest superior one; -- said of a mode of branching in ferns, and opposed to anadromous..
Tripennate :: Tripennate (a.) Same as Tripinnate.
Pinnae :: Pinnae (pl. ) of Pinn.
Spinner :: Spinnaker (n.) A large triangular sail set upon a boom, -- used when running before the wind..
Squab :: Spyne (n.) See Pinnace, n., 1 (a)..
Trijugate :: Trijugate (a.) In three pairs; as, a trijugate leaf, or a pinnate leaf with three pairs of leaflets..
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