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Furnished with a claw, or a narrow stalklike base, as the petals of a carnation.

The slender base of a petal in some flowers; a claw; called also ungula.

part of a cylinder, cone, or other solid of revolution, cut off by a plane oblique to the base; -- so called from its resemblance to the hoof of a horse.

Having a single rib or strong nerve running upward from the base; -- said of a leaf.

ed as a unit or standard in physical measurements. The various physical units are usually based on given units of length, mass, and time, and on the density or other properties of some substance, for example, water. See Dyne, Erg, Farad, Ohm, Poundal, etc. -- Unit deme (Biol.), a unit of the inferior order or orders o…

te under 1st Case, n., 3. -- Upper covert (Zoöl.), one of the coverts situated above the bases of the tail quills. -- Upper deck (Naut.), the topmost deck of any vessel; the spar deck. -- Upper leather, the leather for the vamps and quarters of shoes. -- Upper strake (Naut.), the strake next to the deck, usually of…

Of or pertaining to the uropygium, or prominence at the base of the tail feathers, in birds. Uropygial gland, a peculiar sebaceous gland at the base of the tail feathers in most birds. It secretes an oily fluid which is spread over the feathers by preening.

, or sheathe; sheathing. Vaginant leaf (Bot.), a leaf investing the stem or branch by its base, which has the form of a tube.

vested with, or as if with, a sheath; as, a vaginate stem, or one invested by the tubular base of a leaf.

A little sheath, as that about the base of the pedicel of most mosses.

A base, C10H19N, produced by heating valeric aldehyde with ammonia. It is probably related to the conine alkaloids.

A base, C15H27N, produced together with valeridine, which it resembles.

d. Milton. When valor preys on reason, It eats the sword it fights with. Shak. Fear to do base, unworthy things is valor. B. Jonson.

epera graculina). It is glossy bluish black, with the under tail coverts and the tips and bases of the tail feathers white.

d for food. Venus's basin (Bot.), the wild teasel; - - so called because the connate leaf bases form a kind of receptacle for water, which was formerly gathered for use in the toilet. Also called Venus's bath. -- Venus's basket (Zoöl.), an elegant, cornucopia-shaped, hexactinellid sponge (Euplectella speciosa) native…

Hence, in contempt, noxious human beings. You are my prisoners, base vermin. Hudibras.

belonging to the genus Cerianthus. These animals have a long, smooth body tapering to the base, and two separate circles of tentacles around the mouth. They form a tough, flexible, feltlike tube with a smooth internal lining, in which they dwell, whence the name.

Low; base; worthless; mean; despicable. A poor man in vile raiment. James ii. 2. The craft either of fishing, which was Peter's, or of making tents, which was Paul's, were [was] more vile than the science of physic. Ridley. The inhabitants account gold but as a vile thing. Abp. Abbot.

Vileness; baseness. [Obs.] Kennet.

One who holds lands by a base, or servile, tenure, or in villenage; a feudal tenant of the lowest class, a bondman or servant. [In this sense written also villan, and villein.] If any of my ansectors was a tenant, and a servant, and held his lands as a villain to his lord, his posterity also must do so, though accident…