oiler

/ˈɔɪlər/
noun
  1. A person or device that applies oil to machinery or other equipment.
    • He used a small oiler to put drops of oil on the sewing machine.
    • The oiler walked along the factory floor, lubricating each machine.
    • The ship's oiler was responsible for keeping the engines running smoothly.
  2. A ship designed to carry oil, especially crude oil.
    • A large oiler sailed across the ocean to deliver fuel.
    • The navy used an oiler to refuel its fleet at sea.
    • The oiler docked at the port to unload its cargo.
What does "oiler" mean? | whatsthatwordmean | whatsthatwordmean