spacedog

Etymology

Compound of space + dog.

spacedog means A dog who travels in outer space. Lexicurio rates it Sui generis — a strength score of 100 out of 100.

noun

A dog who travels in outer space.“'Love me, love my dog,' Dr Hunter said. 'A woman's best friend.' Timmy, Snowy, Jumble, Lassie, Greyfriars Bobby. Everyone's best friend. Except for poor Laika, the spacedog, who was no one's friend.”
A person experienced in space travel.“But Station Yorick's customers liked that first interview. The grizzled old spacedog, pipe in mouth, glass in hand, spinning a yarn.... […]”