'spaceman' definitions:

Definition of 'spaceman'

From: WordNet
noun
A person trained to travel in a spacecraft; "the Russians called their astronauts cosmonauts" [syn: astronaut, spaceman, cosmonaut]

Definition of 'spaceman'

From: GCIDE
  • spaceman \space"man`\, n.
  • 1. an astronaut. [PJC]
  • 2. an intelligent creature from outer space; an extraterrestrial; -- a fictional or hypothetical being, never actually observed. [PJC]