reciprocating adjective. [rɪ'sɪprǝkeɪtɪŋ] M17.
[from RECIPROCATE verb + -ING².]
1. Back-flowing. rare. Only in M17.

2. Moving backwards and forwards; characterized by alternation in movement; spec. (of a machine) having a part, esp. a piston, characterized by such movement. L17.
reciprocating engine: using a piston or pistons moving up and down in cylinders.

3. gen. That reciprocates. E19.

[TahlilGaran] English Dictionary ▲