- the bone of the lower jaw.
- (in birds)
- the lower part of the bill.
- mandibles,the upper and lower parts of the bill.
- (in arthropods) one of the first pair of mouthpart appendages, typically a jawlike biting organ, but styliform or setiform in piercing and sucking species.
Origin of mandible
Examples from the Web for mandible
Mala mandibularis: the grinding surface or area of a mandible.
Adductor mandibulae: the muscle that draws in or closes the mandible.
In their massiveness they are unsurpassed save by the mandible from Mauer.
But the mandible is wanting, and the molar teeth of the upper set are absent.
The premaxill and the end of the mandible are greatly expanded.
- the lower jawbone in vertebratesSee jaw (def. 1)
- either of a pair of mouthparts in insects and other arthropods that are usually used for biting and crushing food
- ornithol either the upper or the lower part of the bill, esp the lower part
Word Origin and History for mandible
late 14c., "jaw, jawbone," from Middle French mandible and directly from Late Latin mandibula "jaw," from Latin mandere "to chew," from PIE root *mendh- "to chew" (cf. Greek mastax "the mouth, that with which one chews; morsel, that which is chewed," masasthai "to chew," mastikhan "to gnash the teeth"). Of insect mouth parts from 1826.
- A U-shaped bone forming the lower jaw, articulating with the temporal bone on either side.submaxilla
- The lower part of the jaw in vertebrate animals. See more at skeleton.
- One of the pincerlike mouthparts of insects and other arthropods.