jettison: Meaning and Definition of

jet•ti•son

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).

1. the act of casting goods from a vessel or aircraft to lighten or stabilize it.
2. jetsam.