n.playing cards that have been
marked in a specific manner so as to make them identifiable while playing. Marked cards are used by gamblers and
conjurers and are
marked on the back according to the owner's own system. They are also called "readers" as they can be
read by the person using them.
playing cards, the back of which have been
disfigured with ink, scratches or some identifying
mark so a person can recognize the
face value of the cards while looking at their backs.