- a plume or tuft of feathers, especially the back plume of any of various herons, arranged as a head ornament.
- a jeweled ornament depicting or suggesting this, usually worn in the hair or on a hat.
- a long plume worn on hats or as a headdress, esp one of long egret feathers
- an ornament or piece of jewellery in imitation of a plume of feathers
