E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
An innkeepers daughter in love with Elvino, a rich farmer: but Elvino loves Amina. Suspicious circumstances make the farmer renounce the hand of Amina and promise marriage to her rival; but Liza is shown to be the paramour of another, and Amina, being proved innocent, is married to the man who loves her. (Bellini: La Sonnambula.) Or LISA. (See ELVINO.)