What is the meaning of Cylinder?

A surface created by projecting a closed two-dimensional curve along an axis intersecting the plane of the curve.

A solid figure bounded by a cylinder and two parallel planes intersecting the cylinder.

Any object in the form of a circular cylinder.

A cylindrical cavity or chamber in a mechanism, such as the counterpart to a piston found in a piston-driven engine.

The space in which a piston travels inside a reciprocating engine or pump.

A container in the form of a cylinder with rounded ends for storing pressurized gas; a gas cylinder.

An early form of phonograph recording, made on a wax cylinder.

The part of a revolver that contains chambers for the cartridges.

The corresponding tracks on a vertical arrangement of disks in a disk drive considered as a unit of data capacity.

To calender; to press (paper, etc.) between rollers to make it glossy.

cylinder

top hat, high hat, cylinder hat, topper

cylinder (any object in the form of a circular cylinder)

cylinder (space in which a piston travels inside a reciprocating engine or pump)

a cylinder

a cylinder (part of an engine)

a top hat

Source: wiktionary.org