- A creative work, especially a musical composition numbered to designate the order of a composer's works. (noun)
- An artistic composition, esp a musical work (noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
- (usually followed by a number) a musical composition by a particular composer, generally catalogued in order of publication (noun)
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