Having or decorated with a plume or plumes.(adjective)
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Use "plumed" in a sentence
"In 18th-century England, Georgiana Cavendish, the Duchess of Devonshire, used her extravagant tastes to support the Whig cause against George III, wearing outrageously plumed hats to political rallies."
"The service began with a flag procession by purple-plumed members of the Knights of Columbus and ended with the singing of "America the Beautiful.""
"I imagined myself in that plumed helmet, that iron sword in my hand, and that cold sneer on my lips."