- Original: ἰός - Transliteration: Ios - Phonetic: ee-os' - Definition: 1. poison (of animals) a. poison of asps is under their lips, b. spoken of men given to reviling and calumniating and thereby injuring others 2. rust - Origin: perhaps from eimi (to go) or hiemi (to send) - TDNT entry: 08:34,4 - Part(s) of speech: Noun Masculine - Strong's: Perhaps from εἶμι eimi (to go) or ἵημι hiēmi (to send); rust (as if emitted by metals); also venom (as emitted by serpents): - poison rust. Total KJV Occurrences: 3 • poison, 2 Romans 3:13; Jam 3:8 • rust, 1 Jam 5:3