regain (something lost or expended):rains have helped recoup water levelssleep was what she needed to recoup her strength [no object]:he’s just resting, recouping from the trial
regain (money spent) through subsequent profits:oil companies are keen to recoup their investment
reimburse or compensate (someone) for money spent or lost:the company turned to the real estate industry to recoup them
Law deduct or keep back (part of a sum due):federal law allows them to recoup part of the damages