dis·card 
(dĭ-skärd)
(dĭ-skärd)v. dis·card·ed, dis·card·ing, dis·cards
v.tr.
1. To throw away; reject.
2.
a. To throw out (a playing card) from one's hand.
b. To play (a card other than a trump) from a suit different from that of the card led.
v.intr.
To discard a playing card.
n. (dĭskärd′)
1.
a. The act of discarding in a card game.
b. A discarded playing card.
2. One that is discarded or rejected.
dis·carda·ble adj.
dis·carder n.