cams
n. countable B2 Upper Intermediate US //ˈkæmz// UK //kˈæmz// cams
n. the rounded part of a wheel or pulley that holds the rope or belt. You use this word when talking about machinery or vehicles.
n. the raised, often rounded portion of a rotating wheel or pulley that engages with a rope, belt, or follower to transmit motion.
The engine has four cams that control the valves.
The mechanic adjusted the cams to ensure the engine ran smoothly without making loud noises.
In a camshaft assembly, the precise shape of each cam determines the timing and duration of valve opening for optimal combustion efficiency.