To let go or get rid of as being useless or defective.
To eject from a boat, submarine, aircraft, spaceship or hot-air balloon, so as to lighten the load.
Items that have been or are about to be ejected from a boat or balloon.
The action of jettisoning items.
To hold back (a pupil) instead of allowing them to advance to the next class or year.
To employ by paying a retainer.
To keep in one's pay or service.
To keep in possession or use.
To hold secure.