What does "caparison" mean?

Caparison: Gay or rich clothing. My heart groans beneath the gay caparison. Smollett.

Additional senses

  1. 2.To cover with housings, as a horse; to harness or fit out with decorative trappings, as a horse. The steeds, caparisoned with purple, stand. Dryden.
  2. 3.To aborn with rich dress; to dress. I am caparisoned like a man. Shak.

Sources