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

Pepper Dulse :: Pepper dulse () A variety of edible seaweed (Laurencia pinnatifida) distinguished for its pungency.
Trijugate :: Trijugate (a.) In three pairs; as, a trijugate leaf, or a pinnate leaf with three pairs of leaflets..
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..
Tripennate :: Tripennate (a.) Same as Tripinnate.
Quadrijugous :: Quadrijugous (a.) Pinnate, with four pairs of leaflets; as, a quadrijugous leaf..
Pinnacled :: Pinnacled (imp. & p. p.) of Pinnacl.
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..
Bipinnated :: Bipinnated (a.) Twice pinnate.
Chervil :: Chervil (n.) A plant (Anthriscus cerefolium) with pinnately divided aromatic leaves, of which several curled varieties are used in soups and salads..
Needle :: Needle (n.) Any slender, pointed object, like a needle, as a pointed crystal, a sharp pinnacle of rock, an obelisk, etc..
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)..
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..
Pinnae :: Pinnae (pl. ) of Pinn.
Wing-leaved :: Wing-leaved (a.) Having pinnate or pinnately divided leaves.
Imparipinnate :: Imparipinnate (a.) Pinnate with a single terminal leaflet.
Tripinnate :: Tripinnate (a.) Having bipinnate leaflets arranged on each side of a rhachis.
Pinnacle :: Pinnacle (n.) An architectural member, upright, and generally ending in a small spire, -- used to finish a buttress, to constitute a part in a proportion, as where pinnacles flank a gable or spire, and the like. Pinnacles may be considered primarily as added weight, where it is necessary to resist the thrust of an arch, etc..
Pinnate :: Pinnate (a.) Alt. of Pinnate.
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..
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..
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