The Collaborative International Dictionary of English v.0.48:

Relocation \Re`lo*ca"tion\ (r[=e]`l[-o]*k[=a]"sh[u^]n), n.
   1. A second location.
      [1913 Webster]

   2. (Roman & Scots Law) Renewal of a lease.
      [1913 Webster]

WordNet (r) 3.0 (2006):

relocation
    n 1: the transportation of people (as a family or colony) to a
         new settlement (as after an upheaval of some kind) [syn:
         resettlement, relocation]
    2: the act of changing your residence or place of business;
       "they say that three moves equal one fire" [syn: move,
       relocation]

Bouvier's Law Dictionary, Revised 6th Ed (1856):

RELOCATION, Scotch law, contracts. To let again to renew a lease, is called
a relocation.
     2. When a tenant holds over after the expiration of his lease, with the
consent of his landlord, this will amount to a relocation.