Jisho

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Noun
1. helmet; hard hat; protective headgear
Wikipedia definition
2. HelmetA helmet is a form of protective gear worn on the head to protect it from injuries. Ceremonial or symbolic helmets without protective function are sometimes used. The oldest known use of helmets was by Assyrian soldiers in 900BC, who wore thick leather or bronze helmets to protect the head from blunt object and sword blows and arrow strikes in combat. Soldiers still wear helmets, now often made from lightweight plastic materials.
Read “Helmet” on English Wikipedia
Read “ヘルメット” on Japanese Wikipedia
Read “Helmet” on DBpedia

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