Re`im*burse" (-b?rs"), v. t. [imp. & p. p. Reimbursed (-b?rst"); p. pr. & vb. n. Reimbursing.] [Pref. re- + imburse: cf. F. rembourser.] 1. To replace in a treasury or purse, as an equivalent for what has been taken, lost, or expended; to refund; to pay back; to restore; as, to reimburse the expenses of a war.

2. To make restoration or payment of an equivalent to (a person); to pay back to; to indemnify; -- often reflexive; as, to reimburse one's self by successful speculation. Paley.

• To compensate with pay or money; especially, to repay money spent on one's behalf.
       The company will reimburse your expenses for the business trip.