intransitive verb. To give or take mutually; interchange.

intransitive verb. To show, feel, or give in response or return.

intransitive verb. To give and take something mutually.

intransitive verb. To make a return for something given or done.

intransitive verb. To move back and forth alternately.

In mathematics, to take the reciprocal of.

To cause to move back and forth; give an alternating motion to.

To give and return mutually; yield or perform each to each; interchange: as, to reciprocate favors.

To give or do in response; yield a return of; requite correspondingly.

To move backward and forward; have an alternating movement; act interchangeably; alternate.

To act in return or response; do something equivalent or accordant: as, I did him many favors, but he did not reciprocate.

transitive verb. To give and return mutually; to make return for; to give in return; to interchange; to alternate.

intransitive verb. To move forward and backward alternately; to recur in vicissitude; to act interchangeably; to alternate.

intransitive verb. a steam, air, or gas engine, etc., in which the piston moves back and forth; -- in distinction from a rotary engine, in which the piston travels continuously in one direction in a circular path.

intransitive verb. motion alternately backward and forward, or up and down, as of a piston rod.

verb. To mutually give and take something; to interchange.

verb. To give something in response.

verb. To move backwards and forwards, like a piston.

verb. To counter, retort or retaliate.

verb. act, feel, or give mutually or in return

verb. alternate the direction of motion of

"HARRY LEWIS: There's a-the latest Facebook craze is "25 Random Things About Me," where you're supposed to put twenty-five facts about yourself and then you send it to twenty-five people and ask them to reciprocate, which is a wonderful marketing ploy for Facebook, of course, because if you don't have a Facebook account, of course, you want to sign up and get one, so that you too can share twenty-five random things about yourself."

interchange  reciprocating engine  reciprocating force  reciprocating motion  reciprocating propeller  

reciprocated  reciprocating  

move  

accord  act in concert  act together  affiliate  agree  

reciprocated  reciprocates  reciprocating