Simple past tense and past participle of ornament.(verb)
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Use "ornamented" in a sentence
"The volume contains the Four Gospels in Latin, ornamented with extraordinary freedom, elaboration, and beauty."
"He straightened himself up quickly after the low bow, putting his hand with a graceful ease on the hilt of his heavy short sword ornamented with brilliantly dyed fringes of horsehair."
"A ponderous cornice richly ornamented, which is now almost gone, runs over this series of sculptures."