'Senor' definitions:

Definition of 'Senor'

From: WordNet
noun
A Spanish title or form of address for a man; similar to the English `Mr' or `sir'

Definition of 'Senor'

From: GCIDE
  • Senor \Se*[~n]or"\, n. [Sp. Cf. Senior.] A Spanish title of courtesy corresponding to the English Mr. or Sir; also, a gentleman. [1913 Webster] Senyora