/oy"leuhr/ , n.
1. a person or thing that oils.
2. a worker employed to oil machinery.
3. any of several devices, other than pressure devices, for feeding lubricating oil to a bearing.
4. an oilcan.
5. Often, oilers . an oilskin garment, esp. a coat.
6. a ship using oil as fuel.
7. See oil tanker .
8. an oil well.
[ 1545-55; OIL + -ER 1 ]