n.
Pronunciation: l ə - ' bre-( ˌ )t ō
Function: noun
Inflected Form: plural -tos or -ti \ -( ˌ )t ē \
Etymology: Italian, diminutive of libro book, from Latin libr-, liber
Date: 1742
1 : the text of a work (as an opera) for the musical theater
2 : the book containing a libretto