Ridotto \Ri*dot"to\, n. [It., fr. LL. reductus a retreat. See {Redoubt}.] A favorite Italian public entertainment, consisting of music and dancing, -- held generally on fast eves. --Brande & C. There are to be ridottos at guinea tickets. --Walpole. Ridotto \Ri*dot"to\, v. i. To hold ridottos. [R.] --J. G. Cooper. Ridotto \Ri*dot"to\, n. [See {Redoubt}.] (Music) An arrangement or abridgment of a piece from the full score.