See Also: helmet(medicine)
helmet(dictionary)
helmet(dictionary)
helmet cell(medicine)
neurasthenic helmet(medicine)
Bicycle helmet(health)
crash helmet(dictionary)
pith helmet(dictionary)
Helmet - Horse Racing(gambling)

helmet (iou)



helmet noun & verb. LME.
[Old French, from helme ult. formed as HELM noun1: see -ET2.]
A. noun.
A piece of (usu. metal) armour for the head. LME.
b. A representation of a helmet; esp. in Heraldry, one placed above the shield in an achievement and supporting the crest, used to denote rank. E17.
c. Any of various types of protective headgear as worn by police officers, fire-fighters, divers, motorcyclists, sportsmen or -women, etc.; a felt or pith hat worn in hot climates. M19.
= HELM noun1 3b. obsolete exc. Hist. L16.
A kind of fancy pigeon having distinctively coloured head plumage. L17.
In full helmet shell. (The large thick shell of) any of various marine gastropods of the family Cassididae. M18.
Botany. The arched upper part of the calyx of certain flowers, esp. of labiates and orchids; = GALEA. L18.
Comb.: helmet-crest (a) the crest of a helmet; (b) (in full bearded helmet-crest) a crested hummingbird, Oxypogon guerinii, of northern S. America; helmet shell: see sense 4 above.
b. verb trans. Equip with a helmet. Chiefly as helmeted ppl adjective. M16.
helmeted CURASSOW.
helmetless adjective L19.
helmet-like adjective resembling (that of) a helmet L19.