[n] mutual interaction; the activity of interchanging or reciprocating
[n] alternating back-and-forth movement
[n] the act of making and return or doing something in return
dealings, getting even, interaction, motility, motion, move, movement, paying back, reciprocity, return, traffic
\Re*cip`ro*ca"tion\, n. [L. reciprocatio: cf. F. reciprocation.]
1. The act of reciprocating; interchange of acts; a mutual giving and returning; as, the reciprocation of kindness.
2. Alternate recurrence or action; as, the reciprocation of the sea in the flow and ebb of tides. --Sir T. Browne.