1. noun
    any of a group of liquid edible fats that are obtained from plants
  2. noun
    a slippery or viscous liquid or liquefiable substance not miscible with water
  3. verb
    administer an oil or ointment to ; often in a religious ceremony of blessing
  4. verb
    cover with oil, as if by rubbing; "oil the wooden surface"
  5. noun
    oil paint used by an artist