Source : Webster's Revised Unabridged Dictionary (1913)

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.