senhor

from WordNet (r) 3.0 (2006)

Senhor
    n 1: a Portuguese title of respect; equivalent to English `Mr'

from The Collaborative International Dictionary of English v.0.48

Senhor \Se*nhor"\, n. [Pg. Cf. {Se[~n]or}, {Senior}.]
   A Portuguese title of courtesy corresponding to the Spanish
   se[~n]or or the English Mr. or sir; also, a gentleman.
   [Webster 1913 Suppl.]