Definition of moonman in US English:

moonman

noun

  • 1Cant. A Gypsy. Now historical.

  • 2An imagined inhabitant of the moon.

  • 3A person involved in astronautics; (later) specifically an astronaut.

Origin

Early 17th century; earliest use found in Thomas Dekker (c1572–1632), playwright and pamphleteer. From moon + man.

Pronunciation

moonman

/ˈmuːnman/