The Collaborative International Dictionary of English v.0.48:

Hopscotch \Hop"scotch`\, n.
   A child's game, in which a player, hopping on one foot,
   drives a stone from one compartment to another of a figure
   traced or scotched on the ground; -- called also hoppers.
   [1913 Webster]

WordNet (r) 3.0 (2006):

hopscotch
    n 1: a game in which a child tosses a stone into an area drawn
         on the ground and then hops through it and back to regain
         the stone