Source : Webster's Revised Unabridged Dictionary (1913)

Postliminium \Post`li*min"i*um\, Postliminy \Post*lim"i*ny\, n.
   [L. postliminium, post after + limen, liminis, a threshold.]
   1. (Rom. Antiq.) The return to his own country, and his
      former privileges, of a person who had gone to sojourn in
      a foreign country, or had been banished, or taken by an
      enemy. --Burrill.

   2. (Internat. Law) The right by virtue of which persons and
      things taken by an enemy in war are restored to their
      former state when coming again under the power of the
      nation to which they belonged. --Kent.