the outer boundary of an artifact or a material layer constituting or resembling such a boundary | a waterproof overshoe that protects shoes from water or snow |
a device that provides reactive force when in motion relative to the surrounding air; can lift or control a plane in flight | contraceptive device consisting of a sheath of thin rubber or latex that is worn over the penis during intercourse |
a superficial aspect as opposed to the real nature of something | an eraser made of rubber (or of a synthetic material with properties similar to rubber); commonly mounted at one end of a pencil |
information that has become public | a contest consisting of a series of successive matches between the same sides |
the extended two-dimensional outer boundary of a three-dimensional object | 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 |
the outermost level of the land or sea | any of various synthetic elastic materials whose properties resemble natural rubber |