Dictionary

mandible

noun man·di·ble \ˈman-də-bəl\

: either the upper or lower part of a bird's beak

: a part of an insect's mouth that looks like a jaw and is often used for biting things

Full Definition of MANDIBLE

1
a :  jaw 1a; especially :  a lower jaw consisting of a single bone or of completely fused bones
b :  the lower jaw with its investing soft parts
c :  either the upper or lower segment of the bill of a bird
2
:  any of various invertebrate mouthparts serving to hold or bite food materials; especially :  either member of the anterior pair of mouth appendages of an arthropod often forming strong biting jaws
man·dib·u·lar \man-ˈdi-byə-lər\ adjective
man·dib·u·late \-lət\ adjective

Origin of MANDIBLE

Middle English, from Late Latin mandibula, from Latin mandere to chew; probably akin to Greek masasthai to chew
First Known Use: 15th century

mandible

noun man·di·ble \ˈman-də-bəl\   (Medical Dictionary)

Medical Definition of MANDIBLE

1
a :  jaw 1; especially :  jaw 1b b :  the lower jaw with its investing soft parts
2
:  any of various invertebrate mouthparts serving to hold or bite food materials; especially :  either member of the anterior pair of mouth appendages of an arthropod often forming strong biting jaws

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