Dictionary entry

Mister

Webster's Dictionary 1913

Mis″ter (?), n. [See Master, and cf. Mistress.] A title of courtesy prefixed to the name of a man or youth. It is usually 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. Mrs. Browning.