A naked shield or protuberance on the top or fore part of the head of a bird.
The hood-shaped upper sepal or petal of some flowers, as of the monkshood or the snapdragon.
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.
The part of the back of a four-legged animal that is between the shoulder blades; in many species the highest point of the body and the standard place to measure the animal's height.