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

  • n. Any of various combined substances, such as mortar or plaster, formed by mixing ingredients.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • abbr. composition
  • abbr. competition
  • abbr. compensation

from the GNU version of the Collaborative International Dictionary of English

  • n. A mortar made of sand and cement.
  • n. A carver's mixture of resin, whiting, and glue, used instead of plaster of Paris for ornamenting walls and cornices.
  • n. A composition for billiard balls.
  • n. A preparation of which printer's rollers are made.
  • n. A preparation used in currying leather.
  • n. Composition paid by a debtor.

from The Century Dictionary and Cyclopedia

  • n. Same as compost, 4.
  • n. Same as composition, 5.
  • n. A mixture of resin, whiting, and glue, used for ornaments on walls and cornices instead of plaster of Paris: called specifically carvers' compo.
  • n. The sum or dividend paid in composition of a bankrupt's debts; also, the portion of the monthly wages paid to a ship's company.


Short for composition.
(American Heritage® Dictionary of the English Language, Fourth Edition)



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  • Canada also uses 'compo' as workers comp.

    November 16, 2013

  • Compensation. Usually understood to mean Workers' Compensation, i.e. payments to a person who sustained a significant injury in the workplace.

    March 25, 2010

  • "No money came in. No compo. Sam didn't go on the dole."
    Cloudstreet by Tim Winton, p 18 of the Graywolf Press hardcover edition

    March 25, 2010