Cadenza - Musical Definition

Cadenza - A passage usually towards end of a solo piece, where soloist plays alone in a skilled way (A chance to show off).

Sheet Music examples where the term 'Cadenza' is used:

Cadenzas most often appear in concertos, usually near the end of the work or movement within it. In Rachmaninov’s Piano Concerto No. 3 this cadenza appears at the end of the first movement: