[ man-duh-buhl ]
/ ˈmæn də bəl /
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the bone of the lower jaw.
(in birds)
  1. the lower part of the bill.
  2. 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.
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Origin of mandible

1375–1425; late Middle English <Late Latin mandibula jaw, equivalent to mandi- (combining form of Latin mandere to chew) + -bula noun suffix of means
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use mandible in a sentence

British Dictionary definitions for mandible

/ (ˈmændɪbəl) /

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

Derived forms of mandible

mandibular (mænˈdɪbjʊlə), adjectivemandibulate (mænˈdɪbjʊlɪt, -ˌleɪt), noun, adjective

Word Origin for mandible

C16: via Old French from Late Latin mandibula jaw, from mandere to chew
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for mandible

[ măndə-bəl ]

A U-shaped bone forming the lower jaw, articulating with the temporal bone on either side.submaxilla

Other words from mandible

man•dibu•lar (-dĭbyə-lər) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for mandible

[ măndə-bəl ]

The lower part of the jaw in vertebrate animals. See more at skeleton.
One of the pincerlike mouthparts of insects and other arthropods.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.