Of a horse or, by extension, another animal: to leap about, to frolic.
To cause to leap about, dart or jump.
(of a bird) To fly or swim with darting movements.
(of a person) To prance; to caper, frolic.
(of an object) To jump, skip, shake.
The motion of a horse or other animal that curvets.
the curvetings of a horse
(of a person) Caper, frisking, often with a nuance of flirtation.