plumy adj 1: resembling a plume; "the dog's plumy tail" [syn: {plumelike}] 2: having or covered with or abounding in plumes; "the plumed serpent"; "white-plumed egrets" [syn: {plumed}] 3: adorned with feathers or plumes [syn: {feathery}, {feathered}] [also: {plumiest}, {plumier}] plumiest See {plumy}