(basketball) A defense in which each player guards a particular opposing player.

Humans prey upon one another.

plural of man-to-man defense

(obsolete, UK, thieves' cant, historical) A mentally ill beggar. / (obsolete, UK, thieves' cant, historical) By extension, any beggar who pretends to be ill, physically or mentally, to obtain alms.

A minister or priest. / A prophet. / Any godly man.

A worldly or sophisticated man, one well versed in the ways and dealings of humankind.

(dated) A literary man; a scholar or author.

(military, archaic except humorous) A man whose occupation is fighting in wars; a soldier, a warrior.

Alternative form of man-of-war

Of a system: including both human and machine and/or their interface.