The NAS New Testament Greek Lexicon Strong's Number: 4604 Browse Lexicon Original WordWord Originsideroßof uncertain derivationTransliterated WordTDNT EntrySiderosNonePhonetic SpellingParts of Speechsid'-ay-ros Noun Masculine Definition iron NAS Word Usage - Total: 1iron 1 NAS Verse Count Revelation1Total1Greek lexicon based on Thayer's and Smith's Bible Dictionary plus others; this is keyed to the large Kittel and the "Theological Dictionary of the New Testament." These files are public domain.Bibliography InformationThayer and Smith. "Greek Lexicon entry for Sideros". "The NAS New Testament Greek Lexicon". . 1999.