ironmonger
Concise Oxford English Dictionary © 2008 Oxford University Press:
ironmonger/ˈʌɪənmʌŋɡə(r)/
▶noun Brit. a retailer of tools and other hardware.
– derivatives
ironmongery noun (pl. ironmongeries).
ironmongery noun (pl. ironmongeries).
'ironmonger' also found in these Oxford entries:

