coal scuttle helmet

Etymology
From the helmet's appearance similar to a coal scuttle (coal bucket) of the early 20th century.

Noun

 * 1)  a style of soldier's helmet that looks the same as or similar to the helmet used by current Chilean soldiery, German soldiery at the end of WWI and during WWII, and Chinese soldiery during the Second Sino-Japanese War

Synonyms

 * abbreviation