Dictionary > Helmet

Helmet

Helmet
1. A defensive covering for the head. See Casque, Headpiece, morion, Sallet, and Illust. Of beaver.
2. 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. That which resembles a helmet in form, position, etc.
(Science: chemistry) As: The upper part of a retort.
(Science: botany) a naked shield or protuberance on the top or fore part of the head of a bird. Helmet beetle, an african wood shrike of the genus Prionodon, having a large crest.
Origin: OF. Helmet, a dim of helme, f. Heaume; of teutonic origin; cf. G. Helm, akin to as. & os. Helm, D. Helm, helmet, Icel. Hjalmr, Sw. Hjelm, dan. Hielm, goth. Hilms; and prob. From the root of as. Helan to hide, to hele; cf. Also lith. Szalmas, Russ. Shleme, Skr. Carman protection. Cf. Hele, hell, Helm a helmet.


You will also like...

Types and Causes of Brain Damage
Types and Causes of Brain Damage

This tutorial describes the different types and causes of brain damage. Find out how genetics, physical injury, lack of ..

Young plant growing from the soil.
Soils

Nutrients in the soil are essential to the proper growth of a land plant. This tutorial deals with the properties of soi..

Stem
Stems

Stems primarily provide plants structural support. This tutorial includes lectures on the external form of a woody twig ..

takahē
Takahē (Porphyrio hochstetteri)

Meet the colorful takahē, an extremely rare flightless bird. Find out more about its unique features and why they matte..

Neural Control Mechanisms
Neural Control Mechanisms

Neurons generate electric signals that they pass along to the other neurons or target tissues. In this tutorial, you wil..

Freshwater Ecology
Freshwater Ecology

Freshwater ecology focuses on the relations of aquatic organisms to their freshwater habitats. There are two forms of co..