re·cip·ro·cal adj \ri-ˈsip-rə-kəl\
: of, constituting, or resulting from paired crosses in which the kind that supplies the male parent of the first cross supplies the female parent of the second cross and vice versa
: shared, felt, or shown by both sides
Seen & Heard
What made you want to look up reciprocal? Please tell us where you read or heard it (including the quote, if possible).