The Collaborative International Dictionary of English v.0.48:
Senora \Se*[~n]o"ra\, n. [Sp.] A Spanish title of courtesy given to a lady; Mrs.; Madam; also, a lady. [1913 Webster] SenyoritaWordNet (r) 3.0 (2006):
Senora n 1: a Spanish title or form of address for a married woman; similar to the English `Mrs' or `madam'