ABS n 1: any of a class of composite plastics used to make car bodies and cases for computers and other appliances [syn: {acrylonitrile-butadiene-styrene}, {ABS}]
abs \abs\ ([a^]bz), n. pl. (Anat.) The abductor muscles of the stomach; -- a contraction used by body-building and health enthusiasts. Used similarly to {pecs} and {delts}. [PJC]