A hard, protective head covering, typically part of armour.
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 contemptible or stupid person.
The upper part of a chemist's retort.
To cover with, or as if with, a helmet.
A man's headdress made by winding a length of cloth round the head.
A woman's close-fitting hat with little or no brim.
The complete set of whorls of a spiral shell.