refund

Etymology

From Middle English refunden, refounden, from Old French refondre, refonder, refunder (“to restore; pay back”), from Latin refundere; prefix re- (“re-”) + fundere (“to pour”): compare French refondre, refonder. See fuse (“to melt”), and compare refound (“to cast again”), and refuse.

verb

1. (transitive) To return (money) to (someone); to reimburse.
   If you find this computer for sale anywhere at a lower price, we’ll refund you the difference.
2. (transitive, obsolete) To supply (someone) again with funds.
   to refund a railroad loan
3. (transitive, obsolete, rare) To pour back (something).

noun

1. An amount of money returned.
   If the camera is faulty, you can return it to the store where you bought it for a full refund.