verb (used with object), re·cip·ro·cat·ed, re·cip·ro·cat·ing.
- to give, feel, etc., in return.
- to give and receive reciprocally; interchange: to reciprocate favors.
- to cause to move alternately backward and forward.
verb (used without object), re·cip·ro·cat·ed, re·cip·ro·cat·ing.
- to make a return, as for something given.
- to make interchange.
- to be correspondent.
- to move alternately backward and forward.
- to give or feel in return
- to move or cause to move backwards and forwards
- (intr) to be correspondent or equivalent
“moving back and forth,” 1690s, present participle adjective from reciprocate (v.). Specifically of machines by 1822.
“to return, requite,” 1610s, back-formation from reciprocation, or else from Latin reciprocatus, past participle of reciprocare “rise and fall, move back and forth; reverse the motion of,” from reciprocus (see reciprocal). Related: Reciprocated; reciprocating.