Dice were objects used in gambling. It was also the name given to games played with dice.
In 79 Pompeii, Murranus played dice with the Seventh Doctor and Mel Bush. The dice he used were loaded. (AUDIO: The Fires of Vulcan)
In Constantinople during the Third Crusade, Stefan played dice with the Celestial Toymaker and lost. (PROSE: The Nightmare Fair, AUDIO: The Nightmare Fair)
In 1289, four of Acomat's bandits played dice to see who would get to kill Barbara Wright. (TV: Marco Polo)
TARDIS hopscotch was played with dice to determine the number of spaces each player would move. (TV: The Celestial Toymaker)
Joe Buchanan wore dice cufflinks and a chain with a horseshoe. The Eleventh Doctor deduced from this that he had faith in luck. (TV: The God Complex)