jettison

Items that have been or are about to be ejected from a boat or balloon to lighten the vessel.collectiveuncountable

• The shoreline was littered with the floating jettison from the wrecked freighter.
• Deep-sea divers discovered centuries-old jettison resting on the sandy seafloor.

The act of throwing goods overboard to lighten a ship or aircraft in distress.countable

• The captain ordered the immediate jettison of the heavy cargo to save the sinking ship.
• The maritime court spent weeks reviewing the legality of the cargo jettison during the storm.

To 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.
• The fuel tanks were jettisoned.

To let go or get rid of as being useless or defective.figuratively

• […] the defense of horrendous behavior as “free speech”; the jettisoning of “free speech” when it served corporate purposes; the way no one seeks permission but all expect forgiveness.