Definition of man-machine in US English:

man-machine

noun

  • A man who acts mechanically, an automaton; (usually in pluralmen-machines).

noun

  • = man-engine.

adjective

  • (Frequently spelt with an en dash) designating a relationship or communication between a man and a machine.

Origin

Mid 18th century; earliest use found in John Cleland (?1710–1789), novelist.