1.  signorina(n = noun.person) Array - an Italian courtesy title for an unmarried woman; equivalent to `Miss', it is either used alone or before a name; Array
is a kind of unmarried woman

2.  signorina(n = noun.communication) Array - an Italian title or form of address for an unmarried woman; Array
is a kind of form of address, title, title of respect

   Miss; -- a title of address among the Italians. [1913 Webster]

signorina, n.
1 a title or form of address used of or to an Italian-speaking unmarried woman.
2 an Italian unmarried woman.

Etymology:
It., dimin. of SIGNORA