Definition of "Contract" :

noun: a variety of bridge in which the bidder receives points toward game only for the number of tricks he bid

noun: a binding agreement between two or more persons that is enforceable by law

noun: (contract bridge) the highest bid becomes the contract setting the number of tricks that the bidder must make

verb: be stricken by an illness, fall victim to an illness

verb: become smaller or draw together

verb: reduce in scope while retaining essential elements

verb: make or become more narrow or restricted

verb: compress or concentrate

verb: enter into a contractual arrangement

verb: make smaller

"The heat contracted the woollen garment."

verb: squeeze or press together

"The spasm contracted the muscle."

verb: engage by written agreement