( initial capital letter ) Mr.; Sir

a Spanish title prefixed to a man's given name.

(in Spanish-speaking countries) a lord or gentleman.

( initial capital letter ) an Italian title of address, esp. for a priest.

a person of great importance.

(in the English universities) a head, fellow, or tutor of a college.

(in the Mafia) a head of a family or syndicate.

verb

enrobe , put on , dress , wearnotes:doff \'remove\' is a contraction of \'do off\' and don is a contraction of \'do on\' , assume , get on , pull on , slip into , slip on , clothe , instructor , professor , take on , title , tutor , wear