Meaning

noun a heavy ductile magnetic metallic element; is silver-white in pure form but readily rusts; used in construction and tools and armament; plays a role in the transport of oxygen by the blood

noun a golf club that has a relatively narrow metal head

noun implement used to brand live stock

originFrom Middle English iren, from Old English īsern, īsærn, īren, īsen, from Proto-West Germanic *īsarn, from Proto-Germanic *īsarną (“iron”), from Proto-Celtic *īsarnom (“iron”), possibly a derivation from Proto-Indo-European *h₁ésh₂r̥ (“blood”). Cognates Cognate with Scots airn, ern (“iron”), Yola eeren (“iron”), Saterland Frisian Iersen (“iron”), West Frisian izer (“iron”), Bavarian Eisn…

Etymology from Wiktionary, CC BY-SA 3.0