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English definition of “staple”

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staple

noun [C]  /ˈsteɪ·pəl/ us  

staple noun [C] (WIRE)

a short, thin, U-shaped piece of wire with ends that bend to fasten sheets of paper together: Put a staple in the upper left-hand corner. A staple is also a small, thick, U-shaped piece of metal with sharp ends that is hammered into a surface to hold something in place.

staple noun [C] (BASIC ITEM)

a basic food, or a main product or material: Because of the storm, most stores were low on staples such as bread and milk. Scandals are a newspaper staple.

staple

adjective [not gradable]  /ˈsteɪ·pəl/ us  

staple adjective [not gradable] (BASIC )

basic or main: staple foods

staple

verb [T]  /ˈsteɪ·pəl/ us  

staple verb [T] (USE WIRE)

to use a staple to fasten sheets of paper together: Please staple the reports together.
(Definition of staple from the Cambridge Academic Content Dictionary © Cambridge University Press)
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