Definition of "reciprocatory" [reciprocatory]

• Going backward and forward; alternating in direction or in action; reciprocating: opposed to rotatory.

The Century Dictionary (Public Domain)

• "The motion is similar, not being continuously revolving, but reciprocatory, and the method is customary in all the rice-eating regions except India, and is well known in parts of the latter, though not universal."
• "Mañgguáñgan, sent me a few days later a present of a chicken and about two glassfuls of sugarcane brew, and would not accept a reciprocatory gift of beads and jingle bells that I sent him."
• "The following day, or whenever the payment has been completed, begins the reciprocatory payment [12] in which the bride's relatives return to those of the bridegroom a certain amount of goods varying in value, but approximately one-half of what has been paid as the marriage portion."