plume

A feather, especially a large and showy one.

A large feather, cluster of feathers, or similar ornament worn on a helmet, hat, or horse’s harness.

A token of honor or achievement.

A mass or stream of material that resembles a long feather.

An area or section of air, water, or soil containing pollutants released from a point source.

An upwelling of molten material from the earth’s mantle.

To decorate, cover, or supply with a plume or plumes.

To smooth or clean (feathers) with the bill or beak; preen.

To congratulate (oneself) in a self-satisfied way.

To rise or emanate in a plume.