drəˈsäzh, dreˈ-, -sȧzh noun
( -s )
Etymology: French, preparation, straightening, training, from dresser to prepare, make straight, train + -age — more at dress
: the execution by a horse of maneuvers involving changes of gait, pace, and airs in response to barely perceptible movements of a rider's hands, legs, and weight ; also : the systematic training of a horse in obedience and deportment