Stahlhelm

Noun

 * 1) A distinctive steel helmet fielded by the German Reich and some other nations during the World Wars, and by some modern-day bikers.



Etymology
From.

Noun

 * 1) any steel helmet intended to protect the wearer from shrapnel
 * 2) a distinctive, steel helmet fielded by Germany during World Wars I and II, and by many other countries during the 20th century
 * 3) Stahlhelm, Bund der Frontsoldaten