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

  • n. A creative work, especially a musical composition numbered to designate the order of a composer's works.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A work of music or set of works with a specified rank in an ordering of a composer's complete published works.
  • n. A work, especially of art.

from the GNU version of the Collaborative International Dictionary of English

  • n. A work

from The Century Dictionary and Cyclopedia

  • n. Work; a work, as a literary or musical composition (in the latter use often abbreviated op.).

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

  • n. a musical work that has been created


Latin; see op- in Indo-European roots.
(American Heritage® Dictionary of the English Language, Fourth Edition)
Borrowed from Latin opus. (Wiktionary)



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