oiltap
nounUK /ˈɔɪl.tæp/
US /ˈɔɪl.tæp/
A little tap that lets oil come out.
Dad turned the oiltap to drain the old oil from the engine.
OTHER MEANINGS
2. A tap used to draw oil from a barrel or storage tank.
The worker opened the oiltap on the barrel to fill a small can.
3. A small spout on a machine for letting oil out or in.
He wiped the oiltap clean after adding fresh oil to the motor.
4. A valve controlling the flow of oil in a pipe system.
The plumber replaced the broken oiltap under the boiler.