| pinna | A primary segment of the blade of a compound leaf. (09 Oct 1997) |
|---|---|
| pinna nasi | The outer more or less flaring wall of each nostril. Synonym: ala nasi, pinna nasi. (05 Mar 2000) |
| pinnace | 1. A small vessel propelled by sails or oars, formerly employed as a tender, or for coast defence; called originally, spynace or spyne. A man-of-war's boat. "Whilst our pinnace anchors in the Downs." (Shak) 2. A procuress; a pimp. Origin: F. Pinasse; cf. It. Pinassa, pinazza, Sp. Pinaza; all from L. Pinus a pine tree, anything made of pine, e.g, a ship. Cf. Pine a tree. Source: Websters Dictionary (01 Mar 1998) |
| pinnal | Relating to the pinna. (05 Mar 2000) |
| pinnate | Divided into pinnae, once-compound. Compare: bipinnate, tripinnate. (09 Oct 1997) |
| pinnated | 1. <botany> 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. 2. <zoology> Having a winglike tuft of long feathers on each side of the neck. <zoology> Pinnated grouse, the prairie chicken. Origin: L. Pinnatus feathered, fr. Pinna a feather. See Pin a peg, Pen feather. Source: Websters Dictionary (01 Mar 1998) |
| pinnatifid | Cut deeply into lobes that are spaced out along the main stem (of the leaf). Compare: palmatifid. (09 Oct 1997) |
| pinnatilobate | <botany> Having lobes arranged in a pinnate manner. See: Pinnate, and Lobate. Source: Websters Dictionary (01 Mar 1998) |
| pinnatiped | <ornithology, zoology> Having the toes bordered by membranes; fin-footed, as certain birds. Origin: L. Pinnatus feathered + pes, pedis foot: cf. F. Pinnatipede. <zoology> Any bird which has the toes bordered by membranes. Source: Websters Dictionary (01 Mar 1998) |
| pinnatisect | Dissected down to the midrib but having the segments confluent with it. (09 Oct 1997) |
| pinnigrada | <zoology> Same as Pinnipedia. Origin: NL, fr. Pinna a feather + gradi to walk, move. Source: Websters Dictionary (01 Mar 1998) |
| pinnigrade | <zoology> An animal of the seal tribe, moving by short feet that serve as paddles. Source: Websters Dictionary (01 Mar 1998) |
| pinniped | <zoology> One of the Pinnipedia; a seal. One of the Pinnipedes. Origin: L. Pinna feather, fin + pes, pedis, a foot: cf. F. Pinnipede. Source: Websters Dictionary (01 Mar 1998) |
| pinnipedes | <zoology> Same as Steganopodes. Source: Websters Dictionary (01 Mar 1998) |
| pinnipedia | <zoology> A suborder of aquatic carnivorous mammals including the seals and walruses; opposed to Fissipedia. Origin: NL. So called because their webbed feet are used as paddles or fins. Source: Websters Dictionary (01 Mar 1998) |