cylinder
🇺🇸
/ˈsɪlɪndər/
🇬🇧
/ˈsɪlɪndə(r)/
A shape with round ends and straight sides, like a tube or can.
A soup can is a good example of a cylinder shape.
A container that is shaped like a tube, often holding gas or liquid.
The firefighter carried an oxygen cylinder to help people breathe.
The tube in an engine where the piston moves up and down.
A car engine with six cylinders is called a six-cylinder engine.