verb🔗ShareTo eject from a boat, submarine, aircraft, spaceship or hot-air balloon, so as to lighten the load."The ballooners had to jettison all of their sand bags to make it over the final hill."nauticalvehiclespacemilitarysailingtechnologyChat with AIVocabulary GamePractice Reading
verb🔗ShareTo let go or get rid of as being useless or defective."The climber was jettisoning extra weight from his backpack to make the ascent easier. "actionnauticalmilitarybusinessChat with AIVocabulary GamePractice Reading
