航こう海かい士しこうかいしじ字FuriganaAudioMeanings1nounnavigation officer; mateA licensed officer responsible for navigating a ship; a professional maritime role.彼かれは大おお型がたタンカーの航こう海かい士しとして働はたらいている。Break this sentence down in the analyzerHe works as a navigation officer on a large tanker.航こう海かい士しになるには海かい技ぎ士しの資し格かくが必ひつ要ようだ。Break this sentence down in the analyzerTo become a navigation officer, you need a maritime officer's license.See all 14 example sentences ›