Source : Webster's Revised Unabridged Dictionary (1913)

Checkers \Check"ers\ (ch[e^]k"[~e]rz), n. pl. [See {Checher},
   v.]
   A game, called also {daughts}, played on a checkerboard by
   two persons, each having twelve men (counters or checkers)
   which are moved diagonally. The game is ended when either of
   the players has lost all his men, or can not move them.

Source : WordNet®

checkers
     n : a checkerboard game for two players who each have 12 pieces;
         the object is to jump over and so capture the opponent's
         pieces [syn: {draughts}]