#1 contract n. a binding agreement between two or more persons that is enforceable by law. wn
#2 contract v. [undertake] enter into a contractual arrangement. wn
#3 contract v. [sign, sign on, sign up] engage by written agreement; "They signed two new pitchers for the next season". wn
#4 contract n. [declaration] (contract bridge) the highest bid becomes the contract setting the number of tricks that the bidder must make. wn
#5 contract v. [compress, constrict, squeeze, compact, press] squeeze or press together; "she compressed her lips"; "the spasm contracted the muscle". wn
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