11 O'clock Number Definition
noun
A showstopping song that occurs late in the second act of a two-act musical , often signifying a moment of revelation or change of heart of a lead character .
Wiktionary
Other Word Forms of 11 O'clock Number
Noun
Singular:
11 o'clock number
Plural:
11 o'clock numbersOrigin of 11 O'clock Number
So called because, in the days when musical performances began at 8:30 p.m., such a song would occur around 11 p.m.
From Wiktionary
