Also, piaffer. a cadenced trot executed on one spot, with a well-elevated leg action.
verb (used without object), piaffed, piaffing.
(of a horse) to execute such a movement
(of a rider) to cause a horse to piaffe.
verb (used with object), piaffed, piaffing. 4.
to cause (a horse) to piaffe.
1755–65; < French piaffer; imitative