Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • transitive verb To cast overboard or off.
  • transitive verb Informal To discard (something) as unwanted or burdensome.
  • noun The act of discarding or casting overboard.
  • noun Jetsam.

from The Century Dictionary.

  • noun In law, the throwing overboard of goods or merchandise, especially for the purpose of easing a ship in time of danger or distress.
  • To throw overboard, especially for the purpose of easing and saving a ship in time of danger.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Mar. Law) The throwing overboard of goods from necessity, in order to lighten a vessel in danger of wreck.
  • noun See Jetsam, 1.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun uncountable Collectively, items that have been or are about to be ejected from a boat or balloon.
  • noun countable The action of jettisoning items.
  • verb To eject from a boat, submarine, aircraft, spaceship or hot-air balloon, so as to lighten the load.
  • verb To let go or get rid of as being useless or defective; discard.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • verb throw as from an airplane
  • verb throw away, of something encumbering

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[From Middle English jetteson, a throwing overboard of goods to lighten ship, from Anglo-Norman getteson, from Vulgar Latin *iectātiō, iectātiōn-, from *iectātus, past participle of *iectāre, to throw; see jet.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Anglo-Norman getteson, from Old French getaison (French: would be *jetaison like pendaison). Cognate to jetsam

Examples

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