Definition of jaw

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"Jaw (n.) One of a pair of opposing parts which are movable towards or from each other, for grasping or crushing anything between them, as, the jaws of a vise, or the jaws of a stone-crushing machine..

Lern More About Jaw

Sperm Whale :: Sperm whale () A very large toothed whale (Physeter macrocephalus), having a head of enormous size. The upper jaw is destitute of teeth. In the upper part of the head, above the skull, there is a large cavity, or case, filled with oil and spermaceti. This whale sometimes grows to the length of more than eighty feet. It is found in the warmer parts of all the oceans. Called also cachalot, and spermaceti whale..
Elephant :: Elephant (n.) A mammal of the order Proboscidia, of which two living species, Elephas Indicus and E. Africanus, and several fossil species, are known. They have a proboscis or trunk, and two large ivory tusks proceeding from the extremity of the upper jaw, and curving upwards. The molar teeth are large and have transverse folds. Elephants are the largest land animals now existing..
Lamprey :: Lamprey (n.) An eel-like marsipobranch of the genus Petromyzon, and allied genera. The lampreys have a round, sucking mouth, without jaws, but set with numerous minute teeth, and one to three larger teeth on the palate (see Illust. of Cyclostomi). There are seven small branchial openings on each side..
Mentomeckelian :: Mentomeckelian (n.) The bone or cartilage forming the anterior extremity of the lower jaw in some adult animals and the young of others.
Jawn :: Jawn (v. i.) See Yawn.
Xiphius :: Xiphius (n.) A genus of cetaceans having a long, pointed, bony beak, usually two tusklike teeth in the lower jaw, but no teeth in the upper jaw..
Jawbone :: Jawbone (n.) The bone of either jaw; a maxilla or a mandible.
Mylohyoid :: Mylohyoid (a.) Pertaining to, or in the region of, the lower jaw and the hyoid apparatus; as, the mylohyoid nerve..
Jaw :: "Jaw (n.) The inner end of a boom or gaff, hollowed in a half circle so as to move freely on a mast..
Pliers :: Pliers (n. pl.) 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..
Rodentia :: Rodentia (a.) An order of mammals having two (rarely four) large incisor teeth in each jaw, distant from the molar teeth. The rats, squirrels, rabbits, marmots, and beavers belong to this order..
Chops :: Chops (n. pl.) The jaws; also, the fleshy parts about the mouth..
Lagemorpha :: Lagemorpha (n. pl.) A group of rodents, including the hares. They have four incisors in the upper jaw. Called also Duplicidentata..
Conodont :: Conodont (n.) A peculiar toothlike fossil of many forms, found especially in carboniferous rocks. Such fossils are supposed by some to be the teeth of marsipobranch fishes, but they are probably the jaws of annelids..
Mentomeckelian :: Mentomeckelian (a.) Of or pertaining to the chin and lower jaw.
Aptychus :: Aptychus (n.) A shelly plate found in the terminal chambers of ammonite shells. Some authors consider them to be jaws; others, opercula..
Orthognathous :: Orthognathous (a.) Having the front of the head, or the skull, nearly perpendicular, not retreating backwards above the jaws; -- opposed to prognathous. See Gnathic index, under Gnathic..
Jaw-fallen :: Jaw-fallen (a.) Dejected; chopfallen.
Prognathi :: Prognathi (n. pl.) A comprehensive group of mankind, including those that have prognathous jaws..
Rhynchobdellea :: Rhynchobdellea (n. pl.) A suborder of leeches including those that have a protractile proboscis, without jaws. Clepsine is the type..
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