Definition of contract:
a binding agreement between two or more persons that is enforceable by law
(contract bridge) the highest bid becomes the contract setting the number of tricks that the bidder must make
a variety of bridge in which the bidder receives points toward game only for the number of tricks he bid
enter into a contractual arrangement
engage by written agreement; "They signed two new pitchers for the next season"
squeeze or press together; "she compressed her lips"; "the spasm contracted the muscle"
be stricken by an illness, fall victim to an illness; "He got AIDS"; "She came down with pneumonia"; "She took a chill"
become smaller or draw together; "The fabric shrank"; "The balloon shrank"
make smaller; "The heat contracted the woollen garment"
compress or concentrate; "Congress condensed the three-year plan into a six-month plan"
make or become more narrow or restricted; "The selection was narrowed"; "The road narrowed"
reduce in scope while retaining essential elements; "The manuscript must be shortened"