<p><strong>Verb</strong></p><ul><li>to cast (goods) overboard in order to lighten a vessel or aircraft or to improve its stability in an emergency.</li><li>to throw off (something) as an obstacle or burden; discard.</li><li>to discard (an unwanted card or cards).</li></ul><p><strong>Noun</strong></p><ul><li>the act of casting goods from a vessel or aircraft to lighten or stabilize it.</li><li>jetsam.</li></ul>