A form of poker where players can trade in cards for new ones and their cards are not shown until the showdown.
The act of revoking in a game of cards.
A violation ranked in seriousness somewhat below overt cheating, with the status of a more minor offense only because, when it happens, it is usually accidental.
A renege; a violation of important rules regarding the play of tricks in trick-taking card games serious enough to render the round invalid.
To cancel or invalidate by withdrawing or reversing.