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a. A protective head covering made of hard material, such as leather, metal, or plastic: A firefighter's uniform includes a helmet.
b. The headgear with a glass mask worn by deep-sea divers.
c. A pith helmet; a topi.
d. A head covering, such as a balaclava, that is shaped like a helmet.
2. A piece of armor, usually made of metal, designed to protect the head.
3. Botany The hood-shaped sepal or corolla of some flowers.
tr. & intr.v. hel·met·ed, hel·met·ing, hel·mets
To provide with or put on a helmet.

[Middle English, from Old French, diminutive of helme, of Germanic origin; see kel- in Indo-European roots.]

hel′met·ed adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.helmeted - equipped with or wearing a helmet
equipped, equipt - provided or fitted out with what is necessary or useful or appropriate; "a well equipped playground"; "a ship equipped with every mechanical aid to navigation"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007
References in periodicals archive ?
There were no significant differences between groups (helmeted vs.
Over the years there have been a variety of studies on helmet use and CSI in motorcycle crashes, with a couple of reports indicating an increased risk of CSI among helmeted riders and most studies finding no protective effect or harmful biomechanical risk to the cervical spine.
The machine is presided over by Brian Gant, product test supervisor, who rings a bell before a battering ram-like device strikes a helmeted dummy.