Definitions
1.nounA surface created by projecting a closed two-dimensional curve along an axis intersecting the plane of the curve."When the two-dimensional curve is a circle, the cylinder is called a circular cylinder. When the axis is perpendicular to the plane of the curve, the cylinder is called a right cylinder. In non-mathematical usage, both right and circular are usually implied."
2.nounA solid figure bounded by a cylinder and two parallel planes intersecting the cylinder.
3.nounAny object in the form of a circular cylinder.
4.nounA cylindrical cavity or chamber in a mechanism, such as the counterpart to a piston found in a piston-driven engine.
5.nounThe space in which a piston travels inside a reciprocating engine or pump.
6.nounA container in the form of a cylinder with rounded ends for storing pressurized gas; a gas cylinder.
7.nounAn early form of phonograph recording, made on a wax cylinder.
8.nounThe part of a revolver that contains chambers for the cartridges.
9.nounThe corresponding tracks on a vertical arrangement of disks in a disk drive considered as a unit of data capacity.
10.verbTo calender; to press (paper, etc.) between rollers to make it glossy.