re·cip·ro·cate [ ri sípprə kàyt ](past and past participlere·cip·ro·cat·ed, present participlere·cip·ro·cat·ing, 3rd person present singularre·cip·ro·cates)
verb
Definition:
1. transitive and intransitive verb give mutually: to give or feel something mutually or in return I couldn't accept such a generous gift without reciprocating.
2. transitive and intransitive verb engineering move backwards and forwards: to move backward and forward in an alternating motion, or move something in this way
3. intransitive verb be complementary: to be the same or complementary
[Late 16th century. < Latin reciprocat-, past participle of reciprocare "move backward and forward, reciprocate" < reciprocus (see reciprocal)]
