Lexical Definition

‎σίδηρος‎ sídēros (sid'-ay-ros) iron G:N-M
of uncertain derivation

iron.

Abbott-Smith

σίδηρος, -ου, ὁ [in LXX chiefly for בַּרְזֶל ;]
iron: Re 18:12.†

Abbott-Smith References

Book Refs
Revelation 18:12

Liddell-Scott-Jones

σίδηρος [],

Doric dialect σίδᾱρος [Refs 4th c.BC+], etc.: ; also , [Refs 2nd c.BC+]: neuter σίδηρον, τό, [Refs 8th c.BC+] (but probably falsa lectio for{σιδήριον} in [Refs 2nd c.AD+]: —iron, σ. πολιός [Refs 8th c.BC+]; as an article of traffic, οἰνίζοντο.. Ἀχαιοί, ἄλλοι μὲν χαλκῷ, ἄλλοι δ᾽ αἴθωνι σ. [Refs 8th c.BC+]; χαλκός τε χρυσός τε πολύκμητός τε σ., of treasures, [Refs 8th c.BC+]; as a prize, [Refs]; Σκύθης σ., because brought from the Euxine, [Refs 4th c.BC+]

__2 frequently as a symbol of hardness [Refs], or of stubborn force, [Refs 8th c.BC+]; ὀφθαλμοὶ ὡσεὶ κέρα ἕστασαν ἠὲ σ[Refs 8th c.BC+]; also of firmness, steadfastness, πέτρης γ᾽ ἔχων νόον ἠὲ σ. [Refs 2nd c.BC+]
__II anything made of iron, iron tool or implement, for husbandry, [Refs 8th c.BC+]: also of weapons, arrow-head, [Refs]; sword or knife, [Refs 8th c.BC+]; axe-head, [Refs 8th c.BC+]: generally, arms, οἱ Ἀθηναῖοι σ. κατέθεντο [Refs 5th c.BC+]: also, knife, sickle, [Refs 8th c.BC+]: plural, fishing-hooks, [Refs 3rd c.BC+]; irons, fetters, [Refs 2nd c.AD+]; compare σιδήριον.
__III place for selling iron, smithy or cutler's shop, ἀγαγόντα εἰς τὸν σ. [Refs 5th c.BC+]