The Collaborative International Dictionary of English v.0.48:

Rendition \Ren*di"tion\ (r?n-d?sh"?n), n. [LL. rendere to
   render: cf. L. redditio. See Render, and cf. Reddition.]
   [1913 Webster]
   1. The act of rendering; especially, the act of surrender, as
      of fugitives from justice, at the claim of a foreign
      government; also, surrender in war.
      [1913 Webster]

            The rest of these brave men that suffered in cold
            blood after articles of rendition.    --Evelyn.
      [1913 Webster]

   2. Translation; rendering; version.
      [1913 Webster]

            This rendition of the word seems also most naturally
            to agree with the genuine meaning of some other
            words in the same verse.              --South.
      [1913 Webster]

WordNet (r) 3.0 (2006):

rendition
    n 1: a performance of a musical composition or a dramatic role
         etc.; "they heard a live rendition of three pieces by
         Schubert" [syn: rendition, rendering]
    2: an explanation of something that is not immediately obvious;
       "the edict was subject to many interpretations"; "he annoyed
       us with his interpreting of parables"; "often imitations are
       extended to provide a more accurate rendition of the child's
       intended meaning" [syn: interpretation, interpreting,
       rendition, rendering]
    3: handing over prisoners to countries where torture is allowed
    4: the act of interpreting something as expressed in an artistic
       performance; "her rendition of Milton's verse was
       extraordinarily moving" [syn: rendition, rendering,
       interpretation]