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An order of fishes having barbels on the jaws. It includes the catfishes, or siluroids. See Siluroid.

, antennæ, four pairs of tentacles, and a protrusile pharynx, armed with a pair of hooked jaws.

A device with fingers or jaws for seizing an object and holding or conveying it; as, in a printing press, a clasp for catching a sheet and conveying it to the form.

(Zoöl.) (a) A large arctic shark (Somniosus microcephalus), having small teeth and feeble jaws; -- called also sleeper shark, and ground shark. (b) A large shark (Ginglymostoma cirratum), native of the West Indies and Gulf of Mexico, having the dorsal fins situated behind the ventral fins. -- To put to nurse, or To pu…

extinct order of ostrichlike aquatic birds having teeth, which are set in a groove in the jaw. It includes Hesperornis, and allied genera. See Hesperornis. [Written also Odontholcae, and Odontoholcae.]

An extinct Eocene bird having the jaws strongly serrated, or dentated, but destitute of true teeth. It was found near London.

A group of Mesozoic birds having the jaws armed with teeth, as in most other vertebrates. They have been divided into three orders: Odontolcæ, Odontotormæ, and Saururæ.

front of the head, or the skull, nearly perpendicular, not retreating backwards above the jaws; -- opposed to Ant: prognathous. See Gnathic index, under Gnathic.

One of the small, horny, toothlike jaws of certain annelids.

rallel to the horizon, as to an observer at either pole. -- Parallel vise, a vise having jaws so guided as to remain parallel in all positions.

A vise with jaws so guided as to remain parallel.

and its duct opens into the interior of the mouth opposite the second molar of the upper jaw.

occurs in large numbers upon starfishes and echini. Those of starfishes have two movable jaws, or blades, and are usually nearly, or quite, sessile; those of echini usually have three jaws and a pedicel. See Illustration in Appendix.

have long, slender, many-jointed legs; usually a rounded, segmented abdomen; and chelate jaws. They breathe by tracheæ. Called also Phalangides, Phalangidea, Phalangiida, and Opilionea.

ease (Med.), a disease common among workers in phosphorus, giving rise to necrosis of the jawbone, and other symptoms. -- Red, or Amorphous, phosphorus (Chem.), an allotropic modification of phosphorus, obtained as a dark red powder by heating ordinary phosphorus in closed vessels. It is not poisonous, is not phosphor…

s hard or squeeze between the ends of the fingers, between teeth or claws, or between the jaws of an instrument; to squeeze or compress, as between any two hard bodies.

An instrument having two handles and two grasping jaws working on a pivot; -- used for griping things to be held fast, drawing nails, etc.

rly used to make pipe stems; -- called also pipe privet. -- Pipe wrench, or Pipetongs, a jawed tool for gripping a pipe, in turning or holding it. -- To smoke the pipe of peace, to smoke from the same pipe in token of amity or preparatory to making a treaty of peace, -- a custom of the American Indians.…

Having the teeth consolidated with the inner edge of the jaw, as in some lizards.

A kind of small pinchers with long jaws, -- used for bending or cutting metal rods or wire, for handling small objects such as the parts of a watch, etc.