Staple

Staple may mean:

Staple (fastener), a formed metal fastener used to secure sheets of material or wires
Staple food, a foodstuff that forms the basic constituent of a diet. It is a standard commodity rather than a speciality item.
Staple (textiles) is the raw material, or its length and quality, of fibre from which textiles are made. It is the material in its standard form as a traded commodity.
The Staple Singers, a United States gospel, soul, and R&B singing group.
Staple (band), a Christian post-hardcore band.
STAPLE!, a convention for creators of comics, minicomics, and other independent media

Places

A Staple port was one in which trade in specified goods was regulated. The term is a medieval one. Normally the king licensed a particular group of merchants to trade in the commodity, in an area such as his kingdom and their trading had to be done in the staple town or port.
The Staple was Calais.
Staple, Nord (pronunciation: stohpl) is a commune in the Nord département of France. This is the name in its Flemish form.
Étaples, Pas-de-Calais, is another place in which the word appears but in its French form.
Staple, Kent is a village in Kent, England near Sandwich.