Definition (full): a pouring over, fusion of metal, a libation, league, a coverlet
Strong's Exhaustive Concordance
From nacak; properly, a pouring over, i.e. Fusion of metal (especially a cast image); by implication, a libation, i.e. League; concretely a coverlet (as if poured out) -- covering, molten (image), vail.
KJV: And he received them at their hand, and fashioned it with a graving tool, after he had made it a molten calf: and they said, These be thy gods, O Israel, which brought thee up out of the land of Egypt.
NASB: He took this from their hand, and fashioned it with a graving tool and made it into a molten calf; and they said, "This is your god, O Israel, who brought you up from the land of Egypt."
KJV: They have turned aside quickly out of the way which I commanded them: they have made them a molten calf, and have worshipped it, and have sacrificed thereunto, and said, These be thy gods, O Israel, which have brought thee up out of the land of Egypt.
NASB: "They have quickly turned aside from the way which I commanded them. They have made for themselves a molten calf, and have worshiped it and have sacrificed to it and said, 'This is your god, O Israel, who brought you up from the land of Egypt!'"
KJV: Then ye shall drive out all the inhabitants of the land from before you, and destroy all their pictures, and destroy all their molten images, and quite pluck down all their high places:
NASB: then you shall drive out all the inhabitants of the land from before you, and destroy all their figured stones, and destroy all their molten images and demolish all their high places;