gasket Noun Any mechanical seal that serves to fill the space between two objects, generally to prevent leakage between the two objects while under compression.
gasket Noun A material which may be clamped between faces and acts as a static seal. [http://www.thomasnet.com/products/gaskets-32900409-1.html Gaskets] may be cut, formed, or molded to the desired configuration. - [http://www.astm.org ASTM]
gasket Noun Any of a wide variety of seals or packings used between matched machine parts or around pipe joints to prevent the escape of a gas or fluid. - [http://www.houghtonmifflinbooks.com/ahd/ American Heritage Dictionary]