- 1(abbreviation op.) a piece of music written by a famous composer and usually followed by a number that shows when it was written Beethoven’s Opus 18 See related entries: Pieces of music
- 2(formal) an important piece of literature, etc., especially one that is on a large scale synonym work see also magnum opus Word Originearly 18th cent.: from Latin, literally ‘work’.
opus
nounBrE BrE//ˈəʊpəs//; NAmE NAmE//ˈoʊpəs//
(pl. opera BrE BrE//ˈɒpərə//; NAmE NAmE//ˈɑːpərə//
) [usually singular] Pieces of musicCheck pronunciation: opus