Pot \Pot\, n. 1. The total of the bets at stake at one time, as in racing or card playing; the pool; also (Racing, Eng.) a horse heavily backed; a favorite. [Slang] 2. (Armor) A plain defensive headpiece; later, and perhaps in a jocose sense, any helmet; -- called also {pot helmet}. 3. (Card Playing) The total of the bets at one time; the pool.