[n] (usually plural) a necessary commodity for which demand is constant
[n] paper fastener consisting of a short length of U-shaped wire that can fasten papers together
[n] a short U-shaped wire nail for securing cables
[n] material suitable for manufacture or use or finishing
[adj] necessary foods or commodities; "wheat is a staple crop"
[v] secure or fasten with a staple or staples; "staple the papers together"