Meaning of JAW in English

JAW

I. jaw 1 /dʒɔː $ dʒɒː/ BrE AmE noun

[ Date: 1300-1400 ; Language: Old French ; Origin: joe ]

1 . [countable] one of the two bones that your teeth are in:

a broken jaw

lower/upper jaw

an animal with two rows of teeth in its lower jaw

2 . [countable usually singular] the lower part of your face. Its shape is sometimes thought to show your character:

He punched him on the jaw.

a rugged physique and a strong square jaw

She’s got a very determined jaw.

3 . sb’s jaw dropped used to say that someone looked surprised or shocked:

‘You’re not serious, are you?’ Ellen’s jaw dropped.

4 . jaws [plural]

a) the mouth of a person or animal, especially a dangerous animal

b) the two parts of a machine or tool that move together to hold something tightly

5 . the jaws of death/defeat/despair etc literary a situation in which something unpleasant almost happens:

She had saved him from the jaws of death.

II. jaw 2 BrE AmE verb [intransitive]

informal to talk:

Stop jawing and let me get on with the work!

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.