救きゅう助じょ艇ていきゅうじょていMeanings1nounlifeboat; rescue boatA boat designed for rescuing people at sea or in other water emergencies.救きゅう助じょ艇ていが沈ちん没ぼつ船せんの乗のり組くみ員いんを全ぜん員いん救きゅう助じょした。The rescue boat saved all the crew members of the sunken ship.