Definify.com

Webster 1913 Edition


Helmet

Hel′met

,
Noun.
[OF.
helmet
, a dim of
helme
, F.
heaume
; of Teutonic origin; cf. G.
helm
, akin to AS. & OS.
helm
, D.
helm
,
helmet
, Icel.
hjālmr
, 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.
çarman
protection. √17. Cf.
Hele
,
Hell
,
Helm
a helmet.]
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.
That which resembles a helmet in form, position, etc.
; as:
(a)
(Chem.)
The upper part of a retort.
Boyle.
(b)
(Bot.)
The hood-formed upper sepal or petal of some flowers, as of the monkshood or the snapdragon.
(c)
(Zool.)
A naked shield or protuberance on the top or fore part of the head of a bird.
Helmet beetle
(Zool.)
,
a leaf-eating beetle of the family
Chrysomelidae
, having a short, broad, and flattened body. Many species are known.
Helmet shell
(Zool.)
,
one of many species of tropical marine univalve shells belonging to
Cassis
and allied genera. Many of them are large and handsome; several are used for cutting as cameos, and hence are called
cameo shells
. See
King conch
.
Helmet shrike
(Zool.)
,
an African wood shrike of the genus
Prionodon
, having a large crest.

Definition 2024


helmet

helmet

English

A bicycle helmet

Alternative forms

Noun

helmet (plural helmets)

  1. A protective head covering.
    • 1963, Margery Allingham, chapter 2, in The China Governess:
      Now that she had rested and had fed from the luncheon tray Mrs. Broome had just removed, she had reverted to her normal gaiety.  She looked cool in a grey tailored cotton dress with a terracotta scarf and shoes and her hair a black silk helmet.
  2. That which resembles a helmet in form, position, etc.
    1. The upper part of a chemist's retort.
    2. The hood-shaped upper sepal or petal of some flowers, as of the monkshood or the snapdragon.
    3. A naked shield or protuberance on the top or fore part of the head of a bird.
    4. (heraldry) The feature above a shield on a coat of arms.

Synonyms

Derived terms

Related terms

Translations


Finnish

Noun

helmet

  1. plural of helmi
  2. necklace made of pearls or beads

Declension

Inflection of helmet (Kotus type 7/ovi, no gradation)
nominative helmet
genitive helmien
partitive helmiä
illative helmiin
singular plural
nominative helmet
accusative nom. helmet
gen.
genitive helmien
partitive helmiä
inessive helmissä
elative helmistä
illative helmiin
adessive helmillä
ablative helmiltä
allative helmille
essive helminä
translative helmiksi
instructive helmin
abessive helmittä
comitative helmineen