Definitions for "Oil Pan"
A removable pan bolted to the bottom of the crankcase, on the bottom of which is the oil drain plug.
A removable part of the engine, usually made of pressed steel, that attaches to the bottom of a cylinder and acts as an oil reservoir.
The chamber at the bottom of the crankcase that stores oil. The oil drain plug at the bottom of the oil pan can be removed to allow old oil to flow out of the car during an oil change.