a light leap by a horse in which both hind legs leave the ground before the forelegs come down
source: WordNet 3.0
A particular leap of a horse, when he raises both his fore legs at once, equally advanced, and, as his fore legs are falling, raises his hind legs, so that all his legs are in the air at once.
source: Webster 1913
verb
perform a leap where both hind legs come off the ground, of a horse
