MR

[Mr.] n, pl Messrs. [Mr. fr. ME, abbr. of maister master; Messrs. abbr. of Messieurs, fr. F, pl. of Monsieur] (15c) 1--used as a conventional title of courtesy except when usage requires the substitution of a title of rank or an honorific or professional title before a man's surname "spoke to Mr. Doe" 2--used in direct address as a conventional title of respect before a man's title of office "may I ask one more question, Mr. President" 3--used before the name of a place (as a country or city) or of a profession or activity (as a sport) or before some epithet (as clever) to form a title applied to a male viewed or recognized as representative of the thing indicated "Mr. Baseball"