caparison
noun
[ kəˈparɪs(ə)n ]
• an ornamental covering spread over a horse's saddle or harness.
caparison
verb
• (of a horse) be decked out in rich decorative coverings.
• "his horse was caparisoned with coloured ribbons"
Origin:
early 16th century: from obsolete French caparasson, from Spanish caparazón ‘saddlecloth’, from capa ‘hood’.