Strongs: G5475
G5475 @ χαλκός chalkos khal-kos' Perhaps from G5465 through the idea of hollowing out as a vessel (this metal being chiefly used for that purpose); copper (the substance or some implement or coin made of it): - brass money.
Matthew:10:9
Mark:6:8
Mark:12:41
1Corinthians:13:1
Revelation:18:12