Definition of pinna

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Pinna (n.) One of the primary divisions of a decompound leaf.

Lern More About Pinna

Unijugate :: Unijugate (a.) Having but one pair of leaflets; -- said of a pinnate leaf.
Tamarind :: Tamarind (n.) A leguminous tree (Tamarindus Indica) cultivated both the Indies, and the other tropical countries, for the sake of its shade, and for its fruit. The trunk of the tree is lofty and large, with wide-spreading branches; the flowers are in racemes at the ends of the branches. The leaves are small and finely pinnated..
Pinnacle :: Pinnacle (n.) Anything resembling a pinnacle; a lofty peak; a pointed summit.
Pinnae :: Pinnae (pl. ) of Pinn.
Paripinnate :: Paripinnate (a.) Pinnate with an equal number of leaflets on each side; having no odd leaflet at the end.
Ash :: Ash (n.) A genus of trees of the Olive family, having opposite pinnate leaves, many of the species furnishing valuable timber, as the European ash (Fraxinus excelsior) and the white ash (F. Americana)..
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..
Sea Trumpet :: Sea trumpet () A great blackish seaweed of the Southern Ocean, having a hollow and expanding stem and a pinnate frond, sometimes twenty feet long..
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..
Pinna :: Pinna (n.) One of the primary divisions of a decompound leaf.
Poinciana :: Poinciana (n.) A prickly tropical shrub (Caesalpinia, formerly Poinciana, pulcherrima), with bipinnate leaves, and racemes of showy orange-red flowers with long crimson filaments..
Pinnace :: Pinnace (n.) A man-of-war's boat.
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..
Acacia :: Acacia (n.) A genus of leguminous trees and shrubs. Nearly 300 species are Australian or Polynesian, and have terete or vertically compressed leaf stalks, instead of the bipinnate leaves of the much fewer species of America, Africa, etc. Very few are found in temperate climates..
Squab :: Spyne (n.) See Pinnace, n., 1 (a)..
Pinnage :: Pinnage (n.) Poundage of cattle. See Pound.
Pinnace :: Pinnace (n.) A procuress; a pimp.
Finial :: Finial (n.) The knot or bunch of foliage, or foliated ornament, that forms the upper extremity of a pinnacle in Gothic architecture; sometimes, the pinnacle itself..
Bipinnatifid :: Bipinnatifid (a.) Doubly pinnatifid.
Spinner :: Spinnaker (n.) A large triangular sail set upon a boom, -- used when running before the wind..
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