spacehound

Compound of space +‎ hound.

spacehound (plural spacehounds)

1. (science fiction, now rare) A person experienced in space travel.

   Synonym: spacedog

   • 1953, Arthur C[harles] Clarke, Childhood's End, New York, N.Y.: Harcourt, Brace & World, Inc., →OCLC, page 116:

     "I'll be very glad to show you around," he said, "but I must confess I was a little surprised when Rupert passed on your request. I couldn't understand why one of you spacehounds should be interested in our work. Aren't you going in the wrong direction?"

• Jesse Sheidlower, editor (2001–2025), “spacehound, n.”, in Historical Dictionary of Science Fiction.