(historical) A falsely or neo-medieval torture device invented in the 18th century consisting of a chamber lined with spikes which closes upon and impales the victim inside.

(inorganic chemistry) Ferrosilicon.

small fragments of iron, filed from a bar; used to visualize the presence of a magnetic field, and as a food additive

a tool, rather like a chisel, used to caulk a ship, tighten seams in ironwork and other things

Alternative spelling of cast iron

Alternative spelling of cast iron

Wrought iron molded into bars.

simple past tense and past participle of iron out

siderite

A caulker's claw-like tool for tearing oakum out of a seam, or stripping copper or sheathing from a ship's bottom.