Meaning of JAW in English

JAW

/ dʒɔː; NAmE / noun , verb

■ noun

1.

[ C ] either of the two bones at the bottom of the face that contain the teeth and move when you talk or eat :

the top / upper jaw

the bottom / lower jaw

2.

[ sing. ] the lower part of the face; the lower jaw :

He has a strong square jaw.

The punch broke my jaw.

—picture at face

3.

jaws [ pl. ] the mouth and teeth of a person or an animal :

The alligator's jaws snapped shut.

4.

jaws [ pl. ] the parts of a tool or machine that are used to hold things tightly :

the jaws of a vice

IDIOMS

- sb's jaw dropped / fell / sagged

- the jaws of death, defeat, etc.

- the jaws of a tunnel, etc.

■ verb

[ v ] ( informal , often disapproving ) to talk, especially to talk a lot or for a long time

••

WORD ORIGIN

late Middle English : from Old French joe cheek, jaw, of unknown origin.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.