Gentlemen meaning : A man of gentle but not noble birth, particularly a man of means (originally ownership of property) who does not work for a living but has no official status in a peerage; an armiferous man ranking below a knight. Any well-bred, well-mannered, or charming man. An effeminate or oversophisticated man. (polite term of address) Any man. (usually historical, sometimes derogatory) An amateur or dabbler in any field, particularly those of independent means. An amateur player, particularly one whose wealth permits him to forego payment. Possessive case of gentlemen: belonging to some or all gentlemen. A lavatory intended for use by men, often including urinals in addition to toilets. Other rooms intended for use by men, as waiting rooms, dressing rooms, locker rooms, etc.