rə̇ˌsiprəˈkāshən, rēˈ- noun
( -s )
Etymology: Latin reciprocation-, reciprocatio, from reciprocatus (past participle of reciprocare to reciprocate) + -ion-, -io -ion
1.
a. : a mutual exchange
the reciprocation of courtesies between the two families
b. : a return in kind or of like value
the reciprocation of hatreds must produce a greater hatred — Stuart Hampshire
2. archaic : the quality or state of being harmonious : correspondence
3. : an alternating motion, action, or succession : alteration
the reciprocating action continues with the dropper in action lowering two needles at each reciprocation — W.E.Shinn