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An extensive group of worms which have the body covered externally with vibrating cilia. It includes the Rhabdocoela and Dendrocoela. Formerly, the nemerteans were also included in this group.

its impulse or reaction in flowing either outward from a central chamber, inward from an external casing, or from above downward, etc.; -- also called turbine wheel.

The root or rootstock of the Curcuma longa. It is externally grayish, but internally of a deep, lively yellow or saffron color, and has a slight aromatic smell, and a bitterish, slightly acrid taste. It is used for a dye, a medicine, a condiment, and a chemical test.

Specifically, the canal which leads from the uterus to the external orifice if the genital canal, or to the cloaca.

To diversify in external appearance; to mark with different colors; to dapple; to streak; as, to variegate a floor with marble of different colors. The shells are filled with a white spar, which variegates and adds to the beauty of the stone. Woodward.

One who disguises or palliates; one who gives a fair external appearance. Pope.

n inferior one, especially such a thin leaf of wood to be glued to a cheaper wood; hence, external show; gloss; false pretense. Veneer moth (Zoöl.), any moth of the genus Chilo; -- so called because the mottled colors resemble those of veneering.

The anal opening of certain invertebrates and fishes; also, the external cloacal opening of reptiles, birds, amphibians, and many fishes.

seeds as a white crystalline powder, having an acrid, burning taste. It is sometimes used externally, as in ointments, in the local treatment of neuralgia and rheumatism. Called also veratria, and veratrina.

The external male organ of certain mollusks, worms, etc. See Illustration in Appendix.

The act of seeing external objects; actual sight. Faith here is turned into vision there. Hammond.

Capable of being wounded; susceptible of wounds or external injuries; as, a vulnerable body. Achilles was vulnerable in his heel; and there will be wanting a Paris to infix the dart. Dr. T. Dwight.

Useful in healing wounds; adapted to the cure of external injuries; as, vulnerary plants or potions. "Such vulnerary remedies." Sir W. Scott. -- n. Etym: [Cf. F. vulnéraire.] (Med.)

The external parts of the female genital organs; sometimes, the opening between the projecting parts of the external organs.

A medical preparation in a liquid form for external application; a lotion.

A pore by which the water tubes of various invertebrates open externally.

One of a system of tubular excretory organs having external openings, found in many invertebrates. They are believed to be analogous in function to the kidneys of vertebrates. See Illust. under Trematodea, and Sporocyst.

Not able to resist external force or onset; easily subdued or overcome; as, a weak barrier; as, a weak fortress.

Werner, The German mineralogist and geologist, who classified minerals according to their external characters, and advocated the theory that the strata of the earth's crust were formed by depositions from water; designating, or according to, Werner's system.

To make white; to give a fair external appearance to; to clear from imputations or disgrace; hence, to clear (a bankrupt) from obligation to pay debts.