overhead cam
English
Noun
overhead cam (plural overhead cams)
- (automotive) A type of cam (and camshaft) in an internal combustion engine, and thus also (metonymic) the type of valvetrain design, the type of engine that uses it, or an instance of such an engine; this design has the inlet and exhaust valves in the cylinder head and has the camshaft(s) up above the valves too.
- Synonym: OHC (initialism)
- Hyponyms: SOHC, DOHC
- Coordinate terms: overhead valve, OHV; side valve, flathead, L-head
- This engine has an overhead cam.
- This engine is an overhead cam model. This engine is an overhead cam.