handstand

from WordNet (r) 3.0 (2006)

handstand
    n 1: the act of supporting yourself by your hands alone in an
         upside down position

from The Collaborative International Dictionary of English v.0.48

handstand \handstand\ n.
   The gymnastic act of supporting oneself by one's hands alone
   in an upside down position; as, to do handstands for
   exercise.
   [WordNet 1.5 +PJC]