The Collaborative International Dictionary of English v.0.48:

Transcription \Tran*scrip"tion\ (tr[a^]n*skr[i^]p"sh[u^]n), n.
   [Cf. F. transcription, L. transcriptio a transfer.]
   1. The act or process of transcribing, or copying; as,
      corruptions creep into books by repeated transcriptions.
      [1913 Webster]

   2. A copy; a transcript. --Walton.
      [1913 Webster]

   3. (Mus.) An arrangement of a composition for some other
      instrument or voice than that for which it was originally
      written, as the translating of a song, a vocal or
      instrumental quartet, or even an orchestral work, into a
      piece for the piano; an adaptation; an arrangement; -- a
      name applied by modern composers for the piano to a more
      or less fanciful and ornate reproduction on their own
      instrument of a song or other piece not originally
      intended for it; as, Liszt's transcriptions of songs by
      Schubert.
      [1913 Webster]

WordNet (r) 3.0 (2006):

transcription
    n 1: something written, especially copied from one medium to
         another, as a typewritten version of dictation [syn:
         transcription, written text]
    2: (genetics) the organic process whereby the DNA sequence in a
       gene is copied into mRNA; the process whereby a base sequence
       of messenger RNA is synthesized on a template of
       complementary DNA
    3: a sound or television recording (e.g., from a broadcast to a
       tape recording)
    4: the act of arranging and adapting a piece of music [syn:
       arrangement, arranging, transcription]
    5: the act of making a record (especially an audio record); "she
       watched the recording from a sound-proof booth" [syn:
       recording, transcription]

Moby Thesaurus II by Grady Ward, 1.0:

151 Moby Thesaurus words for "transcription":
   adaptation, amplification, apograph, arrangement, article,
   autograph, bilingual text, brainchild, carbon, carbon copy,
   cartridge, cassette, clavis, composition, computer printout, copy,
   crib, decipherment, decoding, disc, document, draft, duplication,
   edited version, edition, electrical transcription, engrossment,
   epigraph, essay, fair copy, faithful translation, fiche, fiction,
   final draft, finished version, first draft, flimsy,
   free translation, gloss, glossary, harmonization, hectography,
   holograph, hymnal, hymnbook, initialing, inscription,
   instrumental score, instrumentation, interlinear,
   interlinear translation, intonation, key, letter, lettering,
   libretto, literae scriptae, literary artefact, literary production,
   literature, loose translation, lucubration, lute tablature,
   manifold, manuscript, matter, metaphrase, microcopy, microfiche,
   microform, mimeography, modulation, music, music paper, music roll,
   musical notation, musical score, nonfiction, notation, opera,
   opera score, opus, orchestral score, orchestration, original,
   paper, paraphrase, parchment, part, penscript, phonograph record,
   phrasing, piano score, piece, piece of writing, play, poem, pony,
   preparation, printed matter, printout, production, reading matter,
   recension, record, recording, reduplication, reproduction,
   reprography, resolution, restatement, rewording, rubbing, score,
   screed, scrip, script, scrive, scroll, second draft, setting,
   sheet music, short score, solution, songbook, songster, suspension,
   tablature, tape, tape cartridge, tape cassette, tape recording,
   tenor, text, the written word, tone painting, tracing, transcript,
   transfer, translation, transliteration, trot, typescript, version,
   vocal score, wax, wire recording, work, writing, written music,
   xerography