Extended Strong's Greek Lexicon (Abbott-Smith based)
idol
Usage: εἴδωλον, -ου, τό (εἶδος), [in LXX for אֱלוֹהָּ, גְּלוּלִים, etc. ;] __1. in cl. __(a) a phantom, image, likeness; __(b) an image in the mind, an idea, fancy. __2. In LXX and NT, __(a) an image of a god, an idol (cf. Polyb., xxxi, 3, 13): Act.7:41, 1Co.12:2, Rev.9:20; __(b) the false god or idol worshipped in an image (ICC, on I Th, l.with): Act.15:20, Rom.2:22, 1Co.8:4, 7 10:19 2Co.6:18, 1Th.1:9, 1Jn.5:21.† (AS)