Dictionary definition · oil
noun
- a slippery or viscous liquid or liquefiable substance not miscible with water
- oil paint containing pigment that is used by an artist
- a dark oil consisting mainly of hydrocarbons
- any of a group of liquid edible fats that are obtained from plants
verb
- cover with oil, as if by rubbing"oil the wooden surface"
- administer an oil or ointment to; often in a religious ceremony of blessing
Source: Open English WordNet (CC BY 4.0).