Meaning of staple

Definition of staple

(adj) necessary or important, especially regarding food or commodities; "wheat is a staple crop"
(noun) (usually in the plural) a necessary commodity for which demand is constant
a natural fiber (raw cotton, wool, hemp, flax) that can be twisted to form yarn; "staple fibers vary widely in length"
material suitable for manufacture or use or finishing
a short U-shaped wire nail for securing cables
paper fastener consisting of a short length of U-shaped wire that can fasten papers together
(verb) secure or fasten with a staple or staples; "staple the papers together"

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