libretto Meaning, Definition & Usage

  1. noun the words of an opera or musical play

WordNet

Li*bret"to noun
Etymology
It., dim. of libro book, L. liber. See Libel.
Wordforms
plural E Librettos It Libretti
Definitions
  1. (Mus.) (a) A book containing the words of an opera or extended piece of music. (b) The words themselves.

Webster 1913