noun
plural staples
[count] :a piece of metal or wire in the shape of a U that is used for attaching things: such as
a short, thin wire that goes through papers and is bent over at the ends to hold the papers together or that goes through a piece of paper, a photograph, etc., to attach it to a surface
a piece of metal or thick wire that is pushed into a surface to hold or attach something (such as rope or wire) - see also staple gun - compare 3staple
verb
staples; stapled; stapling
[+ obj] :to attach (something) with staples
noun
plural staples
[count] an important food that is eaten very often
the main product of a country, area, company, etc.
something that is used widely and often
adjective
always used before a noun
used, needed, or enjoyed constantly by many people
produced regularly or in large quantities