a feather.

a large, long, or conspicuous feather

the brilliant plume of a peacock.

a soft, fluffy feather

the plume of an egret.

any plumose part or formation.

a feather, a tuft of feathers, or some substitute, worn as an ornament, as on a hat, helmet, etc.

a feather or featherlike token of honor or distinction, esp. one worn on a helmet.

plumage.

a vertically or longitudinally moving, rising, or expanding fluid body, as of smoke or water.

a visible pattern of smoke resulting from emissions from a stack, flue, or chimney.

Also called mantle plume. Geology . a deep-seated upwelling of magma within the earth's mantle. Compare diapir .

to furnish, cover, or adorn with plumes or feathers.

(of a bird) to preen (itself or its feathers).

to feel complacent satisfaction with (oneself); pride (oneself) (often fol. by on or upon )

She sat before the mirror, pluming herself upon her beauty.

verb

congratulate , preen