reciprocate

1. v. i. To move forward and backward alternately; to recur in vicissitude; to act interchangeably; to alternate. Source: opted

2. v. t. To give and return mutually; to make return for; to give in return; to interchange; to alternate; as, to reciprocate favors. Source: opted

3. v. act, feel, or give mutually or in return Source: wordnet

4. v. alternate the direction of motion of Source: wordnet

5. To move forward and backward alternately; to recur in vicissitude; to act interchangeably; to alternate. One brawny smith the puffing bellows plies, And draws and blows reciprocating air. Dryden. Reciprocating engine, 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. -- Reciprocating motion (Mech.), motion alternately backward and forward, or up and down, as of a piston rod. To give and return mutually; to make return for; to give in return; to unterchange; to alternate; as, to reciprocate favors. Cowper. Source: webster

6. To move forward and backward alternately; to recur invicissitude; to act interchangeably; to alternate.One brawny smith the puffing bellows plies, And draws and blowsreciprocating air. Dryden.Reciprocating engine, a steam, air, or gas engine, etc., in which thepiston moves back and forth; -- in distinction from a rotary engine,in which the piston travels continuously in one direction in acircular path.-- Reciprocating motion (Mech.), motion alternately backward andforward, or up and down, as of a piston rod. Source: adambom

7. v:100 v. act, feel, or give mutually or in return v. alternate the direction of motion of Source: ecdict

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