jettison
verb
[ ˈdʒɛtɪs(ə)n ]
• throw or drop (something) from an aircraft or ship.
• "six aircraft jettisoned their loads in the sea"
jettison
noun
• the action of jettisoning something.
• "the jettison lever"
Origin:
late Middle English (as a noun denoting the throwing of goods overboard to lighten a ship in distress): from Old French getaison, from Latin jactatio(n- ), from jactare ‘to throw’ (see jet1). The verb dates from the mid 19th century.