航こう宙ちゅう士しMeanings1nounastronavigatorA specialist who navigates a spacecraft, analogous to a navigator on a ship. Often used in science fiction contexts.See also: 航海士彼かれは宇う宙ちゅう船せんの航こう宙ちゅう士しとして訓くん練れんを受うけた。He trained as an astronavigator for the spaceship.
