The Collaborative International Dictionary of English v.0.48:

Lender \Lend"er\ (-[~e]r), n.
   One who lends.
   [1913 Webster]

         The borrower is servant to the lender.   --Prov. xxii.
                                                  7.
   [1913 Webster]

WordNet (r) 3.0 (2006):

lender
    n 1: someone who lends money or gives credit in business matters
         [syn: lender, loaner] [ant: borrower]