helmet definition

  • noun:
    • A head addressing of tough product, particularly fabric, metal, or plastic, worn by football players, firefighters, construction industry workers, motorcyclists, yet others to protect the top.
    • The headgear with a glass mask worn by deep-sea divers.
    • A pith helmet; a topi.
    • A head covering, such as for example a balaclava, that's shaped like a helmet.
    • an item of armor, typically made of steel, designed to protect the pinnacle.
    • Botany The hood-shaped sepal or corolla of some blossoms.
    • A protective head addressing.
    • 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 hands, denoting gradations of rank by customizations of type.
    • A helmet-shaped cap, made of cork, felt, steel, or any other suitable product, used within the consistent of soldiers, firemen, etc., in addition used in hot countries as a protection through the heat of sunlight.
    • whatever resembles a helmet in kind, position, etc.
    • top of the element of a retort.
    • The hood-formed upper sepal or petal of some blossoms, as of the monkshood and/or snapdragon.
    • A naked shield or protuberance on the top or fore part for the head of a bird.
    • A defensive cover the mind.
    • () In current usage, a stiff army hat of domed or pointed form, sometimes of steel or stiffened with bars of material to be able to manage defense against a sword-cut.
    • A hat, frequently of leather-based and achieving a vizor and broad neckguard, donned by firemen.
    • A hat of comparable form worn by policemen, or by civilians regarding function, especially in perhaps not climates. These types of caps are usually of felt or pith, so formed concerning have area for ventilation round the head or spaces for ventilation overhead.
    • The headpiece of a suit of submarine armor. It is usually formed of sheetmetal and fabric, and is fitted over the head and arms. It is supplied with thick cup windows when it comes to eyes in accordance with pipelines for air. See submarine, armor, under armor.
    • A havelock used by fishermen, with a projection at the face that can be included in a netting or veil as a protection against bugs.
    • In heraldry, the representation of a helmet, set above the escutcheon and appearing to aid the armorial crest. Distinctions of ranking tend to be indicated by the steel, how many taverns when you look at the vizor, plus the position.
    • just like helm
    • In botany, identical to galea, 1 .
    • The upper section of a retort.
    • In entomology, the galea of an insect's maxilla.
    • plural A breed of little, elegant pigeons which may have a white body additionally the end and top of head black or purple. The name is offered in allusion to the limit or helmet.
    • a protective headgear made from hard product to withstand hits
    • armor plate that protects the top
  • verb-transitive:
    • to offer with or wear a helmet.

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