a short piece of wire bent so as to bind together papers, sections of a book, or the like, by driving the ends through the sheets and clinching them on the other side.

a similar, often U -shaped piece of wire or metal with pointed ends for driving into a surface to hold a hasp, hook, pin, bolt, wire, or the like.

to secure or fasten by a staple or staples

to staple three sheets together.

adjective

auxiliary , extra , minor , secondary , unnecessary

adjective

chief , essential , fundamental , important , in demand , key , main , popular , predominant , primary , principal , standard , basic , commodity , core , fasten , fastener , fiber , foundation , goods , item , necessary , resource , rice