Definition (on dictionary.com):

• 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).

French translation (on wordreference):

• (from ship) jeter qqch par-dessus bord
• (from plane) larguer
• (idée théorie) rejeter

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