A defensive covering for the head. See Casque, Headpiece,
Morion, Sallet, and Illust. of Beaver.

The representation of a helmet over shields or coats of
arms, denoting gradations of rank by modifications of form.

A helmet-shaped hat, made of cork, felt, metal, or other
suitable material, worn as part of the uniform of soldiers, firemen,
etc., also worn in hot countries as a protection from the heat of the
sun.

That which resembles a helmet in form, position, etc.

The upper part of a retort.

The hood-formed 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.