'Signorina' definitions:

Definition of 'signorina'

From: WordNet
noun
An Italian courtesy title for an unmarried woman; equivalent to `Miss', it is either used alone or before a name
noun
An Italian title or form of address for an unmarried woman

Definition of 'Signorina'

From: GCIDE
  • Signorina \Si`gno*ri"na\, n. [It.] Miss; -- a title of address among the Italians. [1913 Webster]