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Definition of Libretto
1. Noun. The words of an opera or musical play. 
Definition of Libretto
1. n. A book containing the words of an opera or extended piece of music.
Definition of Libretto
1. the text of an opera [n -TOS or -TI]
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1. Noun. The words of an opera or musical play. 
1. n. A book containing the words of an opera or extended piece of music.
1. the text of an opera [n -TOS or -TI]