1. major items of military weaponry (as tanks or missile)

Definition categories: man–made, arms, munition, weaponry

2. instrumentalities (tools or implements) made of metal

Similar word(s): ironware

Definition categories: man–made, instrumentality, instrumentation

3. (computer science) the mechanical, magnetic, electronic, and electrical components making up a computer system

Definition categories: man–made, component, constituent, element

Sentences with hardware as a noun:

- He needed a hammer, nails, screws, nuts, bolts and other assorted hardware, so he went to the hardware store.

- military hardware