an illegal enterprise (such as extortion or fraud or drug peddling or prostitution) carried on for profit
a sports implement (usually consisting of a handle and an oval frame with a tightly interlaced network of strings) used to strike a ball (or shuttlecock) in various games
a silvery malleable metallic element that resists corrosion; used in many alloys and to coat other metals to prevent corrosion; obtained chiefly from cassiterite where it occurs as tin oxide
prepare (a metal) for soldering or brazing by applying a thin layer of solder to the surface
an elastic material obtained from the latex sap of trees (especially trees of the genera Hevea and Ficus) that can be vulcanized and finished into a variety of products
any of various synthetic elastic materials whose properties resemble natural rubber
returned for lack of funds; "a rubber check"; "a no-good check"