• Bengali Word কিস্তি ২, কিশতি English definition [Persian] (noun) 1 a boat; a ship. 2 (in chess) position when the opponent’s king is exposed to direct attack: ঘোড়ার কিস্তি. কিস্তিমাত (noun) complete victory. কিস্তিমাত করা (verb transitive) make a move that prevents the opponent’s king from being moved away from a direct attack and thus win the game.