Misdeals is the plural of misdeal—an incorrect distribution of cards in a card game, requiring the hand to be redealt: After two misdeals, the dealer passed the deck to someone else.
As a verb form, misdeals means deals cards incorrectly: She misdeals whenever she's distracted.
1. cards — deck, Ship's flat surface; shuffle (Randomize by mixing); reshuffle (Rearrange elements anew); hand (Grasping body part); poker · bridge · blackjack · baccarat · rummy · canasta · spades · hearts · euchre · pinochle
2. error — blunder, Foolish, costly mistake; mistake (Wrong action or decision); bungle (Fail through clumsiness); fumble (Handle with clumsy fingers); botch · slip · flub · goof · mishap · misstep · oversight · lapse · screwup · mishandling