1. people who return favors, kindness, or actions in kind
Usage: plural form
2. mechanical devices that move back and forth in a straight line
Usage: technical; engineering

Examples

• The reciprocators in our group always help when others need assistance.
• She valued friends who were genuine reciprocators of loyalty.
• The engine’s reciprocators convert rotational motion into linear movement.
• These reciprocators operate at high frequency in the manufacturing process.
• Good neighbors are natural reciprocators of kindness.
• The mechanical reciprocators require regular maintenance.
• True reciprocators don’t keep score of favors exchanged.