reciprocating mass
2.reciprocating pump
3.a reciprocating motor
4.reciprocating piston internal combustion engine
5.not giving or reciprocating affection.
6.Movement back and forth; reciprocating movement.
7.The act or fact of reciprocating; interchange.
8.mutual interaction; the activity of interchanging or reciprocating.
9.a hand-operated reciprocating pump; used in fighting fires.
10.a four-stroke internal-combustion engine without reciprocating parts.
