Strong's Definition
from 5178; something made of copper, i.e. the copper serpent of the Desert
KJV Usage: Nehushtan
STEPBible — Tyndale Abridged Hebrew Lexicon
נְחֻשְׁתָּן (ne.chush.tan) — Nehushtan.
§ Nehushtan = "a thing of brass" name by which the brazen serpent made by Moses in the wilderness was worshipped in the time of king Hezekiah of Judah before he destroyed it
UBS Dictionary of Biblical Hebrew
UBS Dictionary of Biblical Hebrew © United Bible Societies, licensed CC BY-SA 4.0.
Brown-Driver-Briggs Hebrew Lexicon
נְחֻשְׁתָּן n.pr. given to bronze serpent 2 K 18:4 prob. = bronze-god ref