fire iron noun2 •Any of a set of metal tools kept beside the fireplace, used to keep the fire burning as required. The set usually consists of fire tongs, a poker, a spade, and a brush for the ashes. •One of a set of tools kept on a steam locomotive for a similar purpose.The superstructure of the tender is modified by the removal of the side raves, and compartments for the fire-irons are formed on each side of the coal bunker. — 1956 formsfire irons