Dictionary definition · boil
noun
- a painful sore with a hard core filled with pus
- the temperature at which a liquid boils at sea level"they brought the water to a boil"
verb
- come to the boiling point and change from a liquid to vapor"Water boils at 100 degrees Celsius"
- immerse or be immersed in a boiling liquid, often for cooking purposes"boil potatoes"
- bring to, or maintain at, the boiling point"boil this liquid until it evaporates"
- be agitated"the sea was churning in the storm"
- be in an agitated emotional state"The customer was seething with anger"
Source: Open English WordNet (CC BY 4.0).