ADJ

bottom, lower
top, upper
firm, strong
clenched, set
slack
jutting, lantern (= in which the lower part sticks out), thrusting
pointed, square
broken, dislocated, fractured

VERB + JAW

clench, set
finger, rub, stroke
He fingered his jaw thoughtfully
break, dislocate, fracture

JAW + VERB

drop, sag
My jaw dropped in astonishment when I saw the size of the audience
be set, clench, set, tighten
Her jaw was set, ready for a fight
jut
His jaw jutted stubbornly forward; he would not be denied

JAW + NOUN

bone, muscle
injury

PREP

in your ~
A muscle in his jaw pulsed angrily
on your ~
He had two days' growth of stubble on his jaw
to the ~
a punch to the jaw
under your ~
She had a fold of flesh under her jaw

PHRASES

the line/set of your jaw
The stern set of the officer's jaw made Tony realize he was in trouble

ADJ

gaping, open
massive, powerful
A shark can crush a boat with its massive jaws
slavering
The slavering jaws of the guard dog stopped anyone going near

VERB + JAW

clamp, close, lock, sink
The dog locked its jaws on her leg and wouldn't let go. A spider sank its jaws into my ankle
escape (from)
The antelope could not escape the crocodile's gaping jaws

PREP

between its ~s
The dog had his arm clamped between its jaws