Definitions
jettison Tweet Definition of jettison Like Definition of jettison on Facebook
noun 
  1. (uncountable) Collectively, items that have been or are about to be ejected from a boat or balloon.
  2. (countable) The action of jettisoning items.
verb 
  1. To eject from a boat, submarine, aircraft, or hot-air balloon, so as to lighten the load.
The ballooners had to all of their sand bags to make it over the final hill.
  1. To let go or get rid of as being useless or defective; discard.
Etymology: From getteson, from getaison (French: would be jetaison like pendaison).


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