se·ño·ri·ta 
(sān′yə-rētə, sĕ′nyō-rētä)
(sān′yə-rētə, sĕ′nyō-rētä)n.
1. Abbr. Srta.
a. Used as a courtesy title before the surname or full name of a girl or unmarried woman in a Spanish-speaking area. See Usage Note at miss2.
b. Used as a form of address for a girl or young woman in a Spanish-speaking area.
2. A Spanish or Spanish-speaking unmarried woman or girl.
[Spanish, diminutive of señora, señora; see SEñORA.]