| • | 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. |