Source : Webster's Revised Unabridged Dictionary (1913)

Extradition \Ex`tra*di"tion\, n. [L. ex out + traditio a
   delivering up: cf. F. extradition. See {Tradition}.]
   The surrender or delivery of an alleged criminal by one State
   or sovereignty to another having jurisdiction to try charge.

Source : WordNet®

extradition
     n : the surrender of an accused or convicted person by one state
         or country to another (usually under the provisions of a
         statute or treaty)