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

Paripinnate :: Paripinnate (a.) Pinnate with an equal number of leaflets on each side; having no odd leaflet at the end.
Runcinate :: Runcinate (a.) Pinnately cut with the lobes pointing downwards, as the leaf of the dandelion..
Pinnacle :: Pinnacle (n.) Anything resembling a pinnacle; a lofty peak; a pointed summit.
Knop :: Knop (n.) Any boldly projecting sculptured ornament; esp., the ornamental termination of a pinnacle, and then synonymous with finial; -- called also knob, and knosp..
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..
Tripennate :: Tripennate (a.) Same as Tripinnate.
Pinnacling :: Pinnacling (p. pr. & vb. n.) of Pinnacl.
Pinnage :: Pinnage (n.) Poundage of cattle. See Pound.
Water Milfoil :: Water milfoil () Any plant of the genus Myriophyllum, aquatic herbs with whorled leaves, the submersed ones pinnately parted into capillary divisions..
Interrupted :: Interrupted (a.) Irregular; -- said of any arrangement whose symmetry is destroyed by local causes, as when leaflets are interposed among the leaves in a pinnate leaf..
Pepper Dulse :: Pepper dulse () A variety of edible seaweed (Laurencia pinnatifida) distinguished for its pungency.
Tripinnate :: Tripinnate (a.) Having bipinnate leaflets arranged on each side of a rhachis.
Needle :: Needle (n.) Any slender, pointed object, like a needle, as a pointed crystal, a sharp pinnacle of rock, an obelisk, etc..
Pinnace :: Pinnace (n.) A man-of-war's boat.
Spinner :: Spinnaker (n.) A large triangular sail set upon a boom, -- used when running before the wind..
Pinnated :: Pinnated (a.) Having a winglike tuft of long feathers on each side of the neck.
Rowan Tree :: Rowan tree () A european tree (Pyrus aucuparia) related to the apple, but with pinnate leaves and flat corymbs of small white flowers followed by little bright red berries. Called also roan tree, and mountain ash. The name is also applied to two American trees of similar habit (Pyrus Americana, and P. sambucifolia)..
Pinnatiped :: Pinnatiped (n.) Any bird which has the toes bordered by membranes.
Quadrijugous :: Quadrijugous (a.) Pinnate, with four pairs of leaflets; as, a quadrijugous leaf..
Bipinnatifid :: Bipinnatifid (a.) Doubly pinnatifid.
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