upper jaw

/ˌʌpər dʒɔ/
IPA guide

Other forms: upper jaws

Definitions of upper jaw
  1. noun
    the jaw in vertebrates that is fused to the cranium
    synonyms: maxilla, maxillary, upper jawbone
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    type of:
    jaw
    the part of the skull of a vertebrate that frames the mouth and holds the teeth
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