What is Jettison?
Jettison definition and meaning on Dictionary terms:
verb (used with object)
to cast (goods) overboard in order to lighten a vessel or aircraft or to improve its stability in an emergency.
to throw off (something) as an obstacle or burden; discard.
Cards. to discard (an unwanted card or cards).
the act of casting goods from a vessel or aircraft to lighten or stabilize it.