Strong's G5475 — χαλκός (noun)
chalkos (khal-kos') n.
1. copper (the substance, or some implement or coin made of it)
[perhaps from G5465 through the idea of hollowing out as a vessel (this metal being chiefly used for that purpose)]
KJV: brass, money 
Root(s): G5465 
Hebrew root: χαλάω
Occurrences: 5