v. t. - To throw out of one's hand, as superfluous cards; to lay aside (a card or cards).
v. t. - To cast off as useless or as no longer of service; to dismiss from employment, confidence, or favor; to discharge; to turn away.
v. t. - To put or thrust away; to reject.
v. i. - To make a discard.
n. - The act of discarding; also, the card or cards discarded.