re·cip·ro·cal /ri-'si-prə-kəl/ adj
1 a: mutual (2)
b: bilateral
a reciprocal contract
2: characterized by correspondence or equivalence esp. in return or response with another of the same category
was prevented from obtaining reciprocal discovery of the names of the State's alibi rebuttal witnesses — Mauricio v. State, 652 N.E.2d 869 (1995); also: marked by such correspondence or equivalence between its own components
a reciprocal arrangement
3: marked by reciprocity between states
re·cip·ro·cal·ly adv
Merriam-Webster’s Dictionary of Law. Merriam-Webster. 1996.