Source : Webster's Revised Unabridged Dictionary (1913)

Game \Game\ (g[=a]m), v. i. [imp. & p. p. {Gamed} (g[=a]md); p.
   pr. & vb. n. {Gaming}.] [OE. gamen, game?en, to rejoice, AS.
   gamenian to play. See {Game}, n.]
   1. To rejoice; to be pleased; -- often used, in Old English,
      impersonally with dative. [Obs.]

            God loved he best with all his whole hearte At alle
            times, though him gamed or smarte.    --Chaucer.

   2. To play at any sport or diversion.

   3. To play for a stake or prize; to use cards, dice,
      billiards, or other instruments, according to certain
      rules, with a view to win money or other thing waged upon
      the issue of the contest; to gamble.

Gaming \Gam"ing\, n.
   The act or practice of playing games for stakes or wagers;
   gambling.

Source : WordNet®

gaming
     n : the act of playing for stakes in the hope of winning
         (including the payment of a price for a chance to win a
         prize); "his gambling cost him a fortune"; "there was
         heavy play at the blackjack table" [syn: {gambling}, {play}]