Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Mathematics The surface generated by a straight line intersecting and moving along a closed plane curve, the directrix, while remaining parallel to a fixed straight line that is not on or parallel to the plane of the directrix.
  • n. Mathematics The portion of such a surface bounded by two parallel planes and the regions of the planes bounded by the surface.
  • n. Mathematics A solid bounded by two parallel planes and such a surface, especially such a surface having a circle as its directrix.
  • n. A cylindrical container or object.
  • n. Engineering The chamber in which a piston of a reciprocating engine moves.
  • n. Engineering The chamber of a pump from which fluid is expelled by a piston.
  • n. The rotating chamber of a revolver that holds the cartridges.
  • n. Any of several rotating parts in a printing press, especially one that carries the paper.
  • n. Archaeology A cylindrical stone or clay object with an engraved design or inscription.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A surface created by projecting a closed two-dimensional curve along an axis intersecting the plane of the curve.
  • n. A solid figure bounded by a cylinder and two parallel planes intersecting the cylinder.
  • n. Any object in the form of a circular cylinder.
  • n. A cylindrical cavity or chamber in a mechanism, such as the counterpart to a piston found in a piston-driven engine.
  • n. A container in the form of a cylinder with rounded ends for storing pressurized gas.
  • n. An early form of phonograph recording, made on a wax cylinder.
  • n. The part of a revolver that contains chambers for the cartridges.
  • n. The corresponding tracks on a vertical arrangement of disks in a disk drive considered as a unit of data capacity.

from the GNU version of the Collaborative International Dictionary of English

  • n.
  • n. A solid body which may be generated by the rotation of a parallelogram round one its sides; or a body of rollerlike form, of which the longitudinal section is oblong, and the cross section is circular.
  • n. The space inclosed by any cylindrical surface. The space may be limited or unlimited in length.
  • n. Any hollow body of cylindrical form.
  • n. The chamber of a steam engine in which the piston is moved by the force of steam.
  • n. The barrel of an air or other pump.
  • n. The revolving platen or bed which produces the impression or carries the type in a cylinder press.
  • n. The bore of a gun; the turning chambered breech of a revolver.
  • n. The revolving square prism carrying the cards in a Jacquard loom.

from The Century Dictionary and Cyclopedia

  • To press under a cylinder or between cylinders.
  • n. In geometry: A solid which may be conceived as generated by the revolution of a rectangle about one of its sides: specifically called a right cylinder.
  • n. In mech.: That chamber of a steam-engine in which the force of steam is exerted on the piston. See steam-engine.
  • n. The barrel of an air-pump.
  • n. A hollow metallic roller forming part of certain printing-machines.
  • n. The bore of a gun.
  • n. That part of a revolver which contains the chambers for the cartridges.
  • n. The central well around which a winding staircase is carried
  • n. The body of a pump.
  • n. In a loom, a revolving part which receives the cards. In the Jacquard loom it is a square prism revolving on a horizontal axis.
  • n. In a carding-machine, a clothed barrel larger than an urchin or a doffer. See cut under carding-machine.
  • n. In an electrical machine, a barrel of glass.
  • n. In ordnance, a wooden bucket in which a cartridge is carried from the magazine to the gun.
  • n. A garden- or field-roller.
  • n. In antiquity, a cylindrical or somewhat barrel-shaped stone, bearing a cuneiform inscription or a carved design, worn by the Babylonians, Assyrians, and kindred peoples as a seal and amulet. Great numbers of such cylinders have been found, and also of Phenician imitations of them.
  • n. An old portable timepiece of the class of sun-dials.
  • n. [capitalized] In conchology, a genus of gastropods: same as Oliva.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a chamber within which piston moves
  • n. a surface generated by rotating a parallel line around a fixed line
  • n. a solid bounded by a cylindrical surface and two parallel planes (the bases)
  • n. a cylindrical container for oxygen or compressed air

Etymologies

Latin cylindrus, from Greek kulindros, from kulindein, to roll.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin cylindrus, from Ancient Greek κύλινδρος (kulindros). (Wiktionary)

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