Meaning of jettison

jet•ti•son

Pronunciation: ( jet'u-sun, -zun), [key]
— v.t.
  1. to cast (goods) overboard in order to lighten a vessel or aircraft or to improve its stability in an emergency.
  2. to throw off (something) as an obstacle or burden; discard.
  3. to discard (an unwanted card or cards).
—n.
  1. the act of casting goods from a vessel or aircraft to lighten or stabilize it.
  2. jetsam.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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