Leapfrog

(n.) A play among boys, in which one stoops down and another leaps over him by placing his hands on the shoulders of the former.

Thesaurus Entries

bounce, bound, buck, buckjump, capriole, clear, curvet, hippety-hop, hop, hurdle, jump, jump over, leap, leap over, negotiate, overjump, overleap, overskip, pounce, pounce on, pounce upon, ski jump, skip, spring, start, start aside, start up, steeplechase, updive, upleap, upspring, vault