boil boil /ˈbɔɪl/

noun

1. The temperature at which a liquid boils at sea level  ( boil , boiling point )
   the temperature at which a liquid boils at sea level
    They brought the water to a boil
   they brought the water to a boil
   
   
2. A painful sore with a hard core filled with pus  ( boil , furuncle )
   a painful sore with a hard core filled with pus
   
   

verb

1. () Immerse or be immersed in a boiling liquid, often for cooking purposes  ( boil )
   immerse or be immersed in a boiling liquid, often for cooking purposes
    Boil potatoes
   boil potatoes
    Boil wool
   boil wool
   
   
2. () Come to the boiling point and change from a liquid to vapor  ( boil )
   come to the boiling point and change from a liquid to vapor
    Water boils at 100 degrees Celsius
   Water boils at 100 degrees Celsius
   
3. () Bring to, or maintain at, the boiling point  ( boil )
   bring to, or maintain at, the boiling point
    Boil this liquid until it evaporates
   boil this liquid until it evaporates
   
4. Be in an agitated emotional state  ( boil , seethe )
   be in an agitated emotional state
    The customer was seething with anger
   The customer was seething with anger
   
5. Be agitated  ( boil , churn , moil [ N. American] , roil )
   be agitated
    The sea was churning in the storm
   the sea was churning in the storm