ironmongery noun4 •(UK, Ireland) Tools and hardware that can be bought in an ironmonger's shop. •(slang) The various metal items used by mountaineers.He also had a room strewn with the toys of the trade and what-have-you: ropes and ironmongery, buoyancy aid and bagpipes, fetid socks and half-eaten haggises, dumbbells and ski-instructor sweaters. — 1997 •(UK, Ireland) The trade of an ironmonger. •(UK, Ireland) An ironmonger's shop. formsironmongeries