1 a solid shape or object with a circular base and top and straight sides: Calculate the total surface area of the cylinder.
az: silindr
ru: цилиндр
2 any of several pieces of machinery of this shape, solid or hollow: The brake cylinder of his car is leaking.
az: silindr
ru: цилиндр
3 a container in the shape of a cylinder: two cylinders of oxygen.
az: silindr
ru: барабан