1.(Law) To keep back rightfully (a part), as if by cutting off, so as to diminish a sum due; to take off (a part) from damages; to deduct; as, where a landlord recouped the rent of premises from damages awarded to the plaintiff for eviction.
2.To get an equivalent or compensation for; as, to recoup money lost at the gaming table; to recoup one's losses in the share market.
3.To reimburse; to indemnify; often used reflexively and in the passive. "Elizabeth had lost her venture; but if she was bold, she might recoup herself at Philip's cost." "Industry is sometimes recouped for a small price by extensive custom."