Definition of pinna

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Pinna (n.) One of the divisions of a pinnate part or organ.

Lern More About Pinna

Gougeshell :: Gougeshell (n.) A sharp-edged, tubular, marine shell, of the genus Vermetus; also, the pinna. See Vermetus..
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..
Tor :: Tor (n.) High-pointed hill; a rocky pinnacle.
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..
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..
Pinnacling :: Pinnacling (p. pr. & vb. n.) of Pinnacl.
Osmund :: Osmund (n.) A fern of the genus Osmunda, or flowering fern. The most remarkable species is the osmund royal, or royal fern (Osmunda regalis), which grows in wet or boggy places, and has large bipinnate fronds, often with a panicle of capsules at the top. The rootstock contains much starch, and has been used in stiffening linen..
Paripinnate :: Paripinnate (a.) Pinnate with an equal number of leaflets on each side; having no odd leaflet at the end.
Pinnace :: Pinnace (n.) A man-of-war's boat.
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..
Squab :: Spyne (n.) See Pinnace, n., 1 (a)..
Spinner :: Spinnaker (n.) A large triangular sail set upon a boom, -- used when running before the wind..
Pinnatiped :: Pinnatiped (n.) Any bird which has the toes bordered by membranes.
Pinnace :: Pinnace (n.) A procuress; a pimp.
Pinnas :: Pinnas (pl. ) of Pinn.
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)..
Pennated :: Pennated (a.) Same as Pinnate.
Pinna :: Pinna (n.) One of the primary divisions of a decompound leaf.
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..
Wing-leaved :: Wing-leaved (a.) Having pinnate or pinnately divided leaves.
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