Strong's #3553: kowba` (pronounced ko'-bah)

from an unused root meaning to be high or rounded; a helmet (as arched):--helmet. Compare 6959.

Brown-Driver-Briggs Hebrew Lexicon:

ּ

kôba‛

1) helmet

Part of Speech: noun masculine

Relation: from an unused root meaning to be high or rounded

Usage:

This word is used 6 times:

 

1 Samuel 17:5: " And he had a helmet of brass upon his head, and he was armed with a coat of mail;"
2 Chronicles 26:14: "the host shields, and spears, and helmets, and habergeons, and bows, and slings to cast stones."
Isaiah 59:17: "righteousness as a breastplate, and a helmet of salvation upon his head; and he put on the garments"
Jeremiah 46:4: "and get up, ye horsemen, and stand forth with your helmets; furbish the spears, and put on the brigandines."
Ezekiel 27:10: "of war: they hanged the shield and helmet in thee; they set forth thy comeliness."
Ezekiel 38:5: "with them; all of them with shield and helmet:"