The Collaborative International Dictionary of English v.0.48:

Renter \Rent"er\ (r?nt"?r), n.
   One who rents or leases an estate; -- usually said of a
   lessee or tenant.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Renter \Ren"ter\ (r?n"t?r), v. t. [imp. & p. p. Rentered
   (-t?rd); p. pr. & vb. n. Rentering.] [F. rentraire; L.
   pref. re- re- + in into, in + trahere to draw.]
   1. To sew together so that the seam is scarcely visible; to
      sew up with skill and nicety; to finedraw.
      [1913 Webster]

   2. To restore the original design of, by working in new warp;
      -- said with reference to tapestry.
      [1913 Webster]

WordNet (r) 3.0 (2006):

renter
    n 1: someone who pays rent to use land or a building or a car
         that is owned by someone else; "the landlord can evict a
         tenant who doesn't pay the rent" [syn: tenant, renter]
    2: an owner of property who receives payment for its use by
       another person

Moby Thesaurus II by Grady Ward, 1.0:

22 Moby Thesaurus words for "renter":
   board-and-roomer, boarder, hirer, homesteader, incumbent,
   leaseholder, lessee, lodger, occupant, occupier, paying guest,
   resident, roomer, squatter, sublessee, subtenant, tenant,
   tenant at sufferance, tenant for life, transient, transient guest,
   underlessee