Real Dictionary

hardware
Military hardware is the machinery and equipment that is used by the armed forces, such as tanks, aircraft, and missiles.
uncountable noun: Hardware refers to tools and equipment that are used in the home and garden, for example saucepans, screwdrivers, and lawnmowers.
uncountable noun: In computer systems, hardware refers to the machines themselves as opposed to the programs which tell the machines what to do. Compare software.

hardware in American English
articles made of metals, as tools, nails, fittings, utensils, etc.; often, specif., hinges, handles, locks, etc. used on doors, windows, etc.
noun: metalware, as tools, locks, hinges, or cutlery

hardware in British English
noun: metal tools, implements, etc, esp cutlery or cooking utensils

hardware in Retail
noun: Hardware is the product category name for items of ironmongery such as locks, nuts, bolts, and nails.