jaw

jaw · noun

imported

Definitions

noun

  1. 1.

    Either of the two bony structures in the face that hold the teeth and form the framework of the mouth.

  2. 2.

    The lower part of the face, especially when considered as an indication of character or determination.

  3. 3.

    (plural) The grasping or crushing parts of a tool or machine.

Forms

plural: jaws

Phrases & expressions

  • •
    jaw-dropping — extremely surprising or impressive
  • •
    glass jaw — vulnerability to being knocked out (in boxing)
  • •
    lock jaw — tetanus; or a condition where the jaw muscles spasm

Related words

See also: chin, mandible, mouth, teeth
Synonyms: jawbone, mandible

Etymology

From Middle English jawe, possibly from Old French joe ("cheek"), of uncertain origin.