verb Download 🔗Share To eject from a boat, submarine, aircraft, spaceship or hot-air balloon, so as to lighten the load. Examples : "The ballooners had to jettison all of their sand bags to make it over the final hill." nautical vehicle space military sailing technology Chat with AIVocabulary GamePractice Reading
verb Download 🔗Share To let go or get rid of as being useless or defective. Examples : "The climber was jettisoning extra weight from his backpack to make the ascent easier. " action nautical military business Chat with AIVocabulary GamePractice Reading