from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A small flat case containing two reels and a length of magnetic tape that winds between them, often used in audio and video recorders and players and as a medium for storing data in digital form.
  • noun A lightproof cartridge containing photographic film or plates, used in specially designed cameras.
  • noun A cartridge for holding and winding typewriter or printer ribbon while in the machine.

from The Century Dictionary.

  • noun In the manufacture of chinaware, a utensil made of potters' clay with sand, in which the ware is baked. It is usually round, with a flat bottom. Also called coffin.
  • noun In photography, a flat box holding one or two plates which are to be exposed in a camera; a plate-holder.

from the GNU version of the Collaborative International Dictionary of English.

  • noun Same as seggar.
  • noun a small case to hold a removable part of some mechanism, designed for convenience in inserting and removing the working part. Most commonly referring to a tape cassette, made mostly of plastic, which holds a reel of magnetic tape for tape players or tape recorders or video cassette recorders. The term may refer, as for tape cassettes, to the integrated case plus tape, or sometimes only to the case itself separate from the contents.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun A small flat case containing magnetic tape on two reels, used to record and play back audio and video material.
  • noun Any similar small cartridge, such as for a computer disk.
  • noun photography A lightproof container for photographic film.
  • noun genetics A modular DNA sequence encoding one or more genes for a single biochemical function.
  • noun A set of sprockets mounted onto a splined shaft on the freehub.

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

  • noun a container that holds a magnetic tape used for recording or playing sound or video


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

[French, small box, from Old French, diminutive of Norman French casse, case; see case.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

From French cassette.


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  • in cycling, it's a group of sprockets mounted on the rear wheel. This is a removable part which can be exchanged for one with a different set of gear ratios.

    January 12, 2013