kettle in WordNet English dictionary

1. a metal pot for stewing or boiling; usually has a lid
   kettle  boiler 
   
2. a large hemispherical brass or copper percussion instrument with a drumhead that can be tuned by adjusting the tension on it
   kettle  kettledrum  tympanum  tympani  timpani 
   
3. (geology) a hollow (typically filled by a lake) that results from the melting of a mass of ice trapped in glacial deposits
   kettle hole  kettle 
   
4. the quantity a kettle will hold
   kettle  kettleful