jaw jaw /ˈdʒɔ/

noun

1. () The part of the skull of a vertebrate that frames the mouth and holds the teeth  ( jaw )
   the part of the skull of a vertebrate that frames the mouth and holds the teeth
    His jaw was chiseled and defined, giving him a rugged look
   His jaw was chiseled and defined, giving him a rugged look
   
   
2. Holding device consisting of one or both of the opposing parts of a tool that close to hold an object  ( jaw )
   holding device consisting of one or both of the opposing parts of a tool that close to hold an object
    The mechanic used the jaw of his tool to grip the bolt tightly.
   The mechanic used the jaw of his tool to grip the bolt tightly.
   
   
3. The bones of the skull that frame the mouth and serve to open it; the bones that hold the teeth  ( jaw )
   the bones of the skull that frame the mouth and serve to open it; the bones that hold the teeth
    He fractured his jaw in a sports accident.
   He fractured his jaw in a sports accident.
   
   

verb

1. () [Informal] Talk incessantly and tiresomely  ( rattle on [Informal] , yack [Informal] , yack away [Informal] , jaw [Informal] , yap away [Informal] )
   talk incessantly and tiresomely
   
2. () [Informal] Talk socially without exchanging too much information  ( chaffer , chew the fat [Informal] , chit-chat [Informal] , chitchat [Informal] , claver [Dialect, UK] , confab [Informal] , confabulate , gossip , natter [Informal] , chat , chatter , jaw [Informal] , shoot the breeze [Informal, N. American] , visit [Informal, N. American] , chew the rag [Informal] , chinwag [Informal, British] )
   talk socially without exchanging too much information
    The men were sitting in the cafe and shooting the breeze
   the men were sitting in the cafe and shooting the breeze
   
3. [Informal] Censure severely or angrily  ( bawl out [Informal] , call down [Informal] , call on the carpet [Informal, American] , chew out [Informal, N. American] , chew up [Informal, N. American] , dress down [Informal] , have words , jaw [Informal] , lambast , berate , chide , lambaste , lecture , rag [Informal] , rebuke , remonstrate , reprimand , scold , take to task , trounce )
   censure severely or angrily
    The mother scolded the child for entering a stranger's car
   The mother scolded the child for entering a stranger's car
    The deputy ragged the Prime Minister
   The deputy ragged the Prime Minister
    The customer dressed down the waiter for bringing cold soup
   The customer dressed down the waiter for bringing cold soup
   
4. Chew (food); to bite and grind with the teeth  ( jaw , manducate , masticate , chew )
   chew (food); to bite and grind with the teeth
    He jawed his bubble gum
   He jawed his bubble gum
    Chew your food and don't swallow it!
   Chew your food and don't swallow it!
    The cows were masticating the grass
   The cows were masticating the grass