Usage: 1 form in 4 verses
Form Translated As     In Verse(s)
σιδήριον an iron implement LXX.Eccl.10.10
iron implement LXX.Deut.19.5LXX.2Kgs.6.5LXX.2Kgs.6.6

Liddell-Scott-Jones

σιδήριον (sidērion) an iron implement G:N-N

σιδήριον-ιον

(Doric dialect σιδάριον [Refs], τό, implement or tool of iron, [Refs 5th c.BC+]; θερμοῖσι σ. ἐκκαίειν τοὺς ὀφθαλμούς with hot irons, [Refs 5th c.BC+]; ἐπαΐοντες σιδηρίων feeling iron, not being proof against it, [Refs]; of a knife, [Refs 5th c.BC+]; σ. λιθουργά, of a stonemason's tools, [Refs 5th c.BC+]

__II iron, [Refs 3rd c.BC+]