The flying feathery or hairy crown of seeds or achenes, such as the down of the thistle.
A plume or tuft of feathers worn as a part of a headdress, or anything imitating such an ornament.
Any of various wading birds of the genera Egretta or Ardea that includes herons, many of which are white or buff, and several of which develop fine plumes during the breeding season.
The hood-shaped upper sepal or petal of some flowers, as of the monkshood or the snapdragon.
A naked shield or protuberance on the top or fore part of the head of a bird.
The feature above a shield on a coat of arms.
The glans penis.
A hard, protective head covering, typically part of armour.
A contemptible or stupid person.
The upper part of a chemist's retort.
To cover with, or as if with, a helmet.