'Concerto' definitions:
Definition of 'concerto'
From: WordNet
noun
A composition for orchestra and a soloist
Definition of 'Concerto'
From: GCIDE
- Concerto \Con*cer"to\ (?; It. ?), n.; pl. Concertos. [It. See Concert, n.] (Mus.) A composition (usually in symphonic form with three movements) in which one instrument (or two or three) stands out in bold relief against the orchestra, or accompaniment, so as to display its qualities or the performer's skill. [1913 Webster] Concert of Europe