Caparison

Definition:

(n.) An ornamental covering or housing for a horse; the harness or trappings of a horse, taken collectively, esp. when decorative.
(n.) Gay or rich clothing.
(v. t.) To cover with housings, as a horse; to harness or fit out with decorative trappings, as a horse.
(v. t.) To aborn with rich dress; to dress.

Compare caparison with other words:

caparison vs. ornament