1. A die or dice that has been fraudulently altered or weighted to produce unfair results in gambling.
Usage: archaic; historical; chiefly British

Examples

• The cheater was caught using fullams in the card game.
• Loaded dice and fullams were common tools of professional swindlers in the 16th century.
• He accused his opponent of playing with fullams after losing several rounds.
• The constable discovered a collection of fullams hidden in the gambler's lodgings.