WordNet (r) 3.0 (2006):

pole vault
    n 1: a competition that involves jumping over a high crossbar
         with the aid of a long pole [syn: pole vault, pole
         vaulting, pole jump, pole jumping]

Moby Thesaurus II by Grady Ward, 1.0:

43 Moby Thesaurus words for "pole vault":
   Highland fling, and jump, bounce, bound, broad jump, buck,
   buckjump, capriole, curvet, demivolt, flying jump, galliard,
   gelandesprung, grand jete, handspring, high jump, hippety-hop, hop,
   hurdle, jete, jig, jump, jump shot, jump turn, jump-hop, jump-off,
   lavolta, leap, leapfrog, long jump, morris, pounce,
   running broad jump, running high jump, saut de basque, ski jump,
   skip, spring, steeplechase, tour jete, upleap, upspring, vault