Definition of "reciprocating" [reciprocating]

• Present participle of reciprocate. (verb)
• That moves backwards and forwards. (adjective)

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• "That's what I call reciprocating a man's affection. ""
• "a main reciprocating steam engine, and direct steam driven pumps and auxiliary machinery; a paradise of mechanics."
• "Now I realize that Sawzall ™ is a brand name of the Milwaukee Corporation, and that this tool is properly called a reciprocating saw, but I'm here to tell you, whether your reciprocating saw is made by DeWalt, Makita, Ryobi, or whoever, you will still call it a sawzall."