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which divide on each side of the head into three main branches distributed to the orbits, jaws, and parts of the mouth; trifacial.

The lockjaw.

ate (Mach.), a rotative disk with spiral ribs or grooves, by which several pieces, as the jaws of a chuck, can be brought together or spread radially.

Having a projecting under jaw; prognathous. [Obs.] Holland.

The lower chaps or jaw. Paley.

Having the lower jaw projecting. T. Hughes.

negative) No men are omniscient. Universal chuck (Mach.), a chuck, as for a lathe, having jaws which can be moved simultaneously so as to grasp objects of various sizes. -- Universal church, the whole church of God in the world; the catholic church. See the Note under Catholic, a., 1. -- Universal coupling. (Mach.) S…

A gab at the end of an eccentric rod, with long jaws, shaped like the letter V.

lypha. The former have perforated, erectile fangs situated in the front part of the upper jaw, and are without ordinary teeth behind the fangs; the latter have permanently erect and grooved fangs, with ordinary maxillary teeth behind them. -- Ven"om*ous*ly, adv. -- Ven"om*ous*ness, n.

e instrument. Vernier calipers, Vernier gauge, a gauge with a graduated bar and a sliding jaw bearing a vernier, used for accurate measurements. -- Vernier compass, a surveyor's compass with a vernier for the accurate adjustment of the zero point in accordance with magnetic variation. -- Vernier transit, a surveyor's…

An instrument consisting of two jaws, closing by a screw, lever, cam, or the like, for holding work, as in filing. [Written also vice.]

ative of the Arctic Ocean. The male has long and powerful tusks descending from the upper jaw. It uses these in procuring food and in fighting. It is hunted for its oil, ivory, and skin. It feeds largely on mollusks. Called also morse.

The jaw, jawbone, or cheek bone. [Obs. or Prov. Eng.] So work aye the wangs in his head. Chaucer.

A firm, elastic substance resembling horn, taken from the upper jaw of the right whale; baleen. It is used as a stiffening in stays, fans, screens, and for various other purposes. See Baleen.

A large mass of tough sinewy substance in the head of sperm whales, just above the upper jaw and extending in streaks into the junk above it. It resembles blubber, but contains no oil. Also, the part of the head in which it occurs.

pecies (A. lupus) of Europe and North America. These fishes have large teeth and powerful jaws. Called also catfish, sea cat, sea wolf, stone biter, and swinefish. -- Wolf net, a kind of net used in fishing, which takes great numbers of fish. -- Wolf's peach (Bot.), the tomato, or love apple (Lycopersicum esculentum)…

An instrument, often a simple bar or lever with jaws or an angular orifice either at the end or between the ends, for exerting a twisting strain, as in turning bolts, nuts, screw taps, etc.; a screw key. Many wrenches have adjustable jaws for grasping nuts, etc., of different sizes.

s of cetaceans having a long, pointed, bony beak, usually two tusklike teeth in the lower jaw, but no teeth in the upper jaw.