curvet
Of a horse or, by extension, another animal: to leap about, to frolic.
Mounted on a snow-white horse, whose trappings of scarlet and gold swept the ground, and whose curvetting served but to show the graceful management of the rider;...
To cause to leap about, dart or jump.
(of a bird) To fly or swim with darting movements.
(figuratively) (of a person) To prance; to caper, frolic.
(figuratively) (of an object) To jump, skip, shake.
A particular leap in which a horse raises both forelegs at once, equally advanced, and, as the forelegs are falling, raises the hind legs, so that all the legs are in the air at once.
A prank; a frolic.