n. | 1. | (Armor) A defensive covering for the head. See Casque, Headpiece, Morion, Sallet, and Illust. of Beaver. | |||||||||
2. | (Her.) The representation of a helmet over shields or coats of arms, denoting gradations of rank by modifications of form. | ||||||||||
3. | 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. | ||||||||||
4. | (Chem.) That which resembles a helmet in form, position, etc.
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Noun | 1. | helmet - armor plate that protects the head |
2. | helmet - a protective headgear made of hard material to resist blows |