mandible

EnglishEdit

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EtymologyEdit

From late Middle English, from Late Latin mandibula (a jaw), from mandō (to chew, masticate) +‎ -bula (instrument noun suffix).

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NounEdit

mandible (plural mandibles)

  1. (anatomy, zootomy)
    1. The jaw or a jawbone, especially the lower jawbone in mammals and fishes.
      Synonyms: dentary, dentary bone, inferior maxillary bone, jawbone, lower jaw, submaxilla
    2. Either of the upper and lower segments of a bird's beak.
    3. Any of various invertebrate mouthparts serving to hold or bite food materials.
      1. One of the anterior pair of mouthparts of an arthropod, designed for holding and cutting food.

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