upper jaw
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upper jaw length — the distance from the anterior tip of the upper jaw to the posterior tip of the upper jaw. Sometimes miscalled maxillary length when the premaxilla enters into the upper jaw … Dictionary of ichthyology
upper jaw — noun the jaw in vertebrates that is fused to the cranium • Syn: ↑upper jawbone, ↑maxilla, ↑maxillary • Derivationally related forms: ↑maxillary (for: ↑maxillary) • … Useful english dictionary
upper jaw — maxilla, upper part of the mandible … English contemporary dictionary
The Mysticete or whalebone whales having no true teeth after birth but with a series of plates of whalebone see Baleen hanging down from the upper jaw on each side thus making a strainer through which they receive the small animals upon which they feed — Cetacea Ce*ta ce*a, n. pl. [NL., from L. cetus whale, Gr. ?.] (Zo[ o]l.) An order of marine mammals, including the whales. Like ordinary mammals they breathe by means of lungs, and bring forth living young which they suckle for some time. The… … The Collaborative International Dictionary of English
jaw length — upper jaw length (the distance from the anterior tip of the upper jaw to the posterior tip of the upper jaw. Sometimes miscalled maxillary length when the premaxilla enters into the upper jaw), and lower jaw length (measured from the anterior tip … Dictionary of ichthyology
upper — [up′ər] adj. [ME, compar. of up,UP1] 1. in a place or on a level above another [upper lip, upper jaw, upper floor] 2. higher in rank, authority, or dignity [the upper classes] 3. being farther north, farther inland, or at a higher elevation of… … English World dictionary
jaw — [jô] n. [ME jowe < OFr joue, cheek] 1. either of the two bones or bony parts that hold the teeth and frame the mouth in most vertebrates: the mandible (lower jaw) is usually hinged and movable, the maxilla (upper jaw) is usually not 2. any of… … English World dictionary
jaw|fish — «JAW FIHSH», noun, plural fish|es or (collectively) fish. a small fish found near the rocky bottoms of tropical seas, noted for the great length of its upper jaw … Useful english dictionary
jaw — jaw1 jawless, adj. /jaw/, n. 1. either of two bones, the mandible or maxilla, forming the framework of the mouth. 2. the part of the face covering these bones, the mouth, or the mouth parts collectively: My jaw is swollen. 3. jaws, anything… … Universalium
Jaw — The bones below the mouth (the mandible) and the bone above the mouth just above the mouth (the maxilla). The word jaw came from the Anglo Saxon ceowan meaning to chew. * * * 1. One of the two bony structures, in which the teeth are set, forming… … Medical dictionary
