Mis'ter1, n.
n. [Contracted from Lat. magister, like master, q. v.] Sir; master; — a title or form of address to any adult male, nearly always written in the abbreviated form Mr.
To call your name, inquire your where, Or what you think of Mister Some-one's book, Or Mister Other's marriage, or decease. E. B. Browning.