1. (often followed by `for') in exchange or in reciprocation;
"gave up our seats on the plane and in return received several hundred dollars and seats on the next plane out""we get many benefits in return for our taxes"
2. in a mutual or shared manner;
"the agreement was mutually satisfactory""the goals of the negotiators were not reciprocally exclusive"
3. in an inverse or contrary manner;
"inversely related""wavelength and frequency are, of course, related reciprocally"- F.A.Geldard