What does "transcription" mean?

Additional senses

1. 2.(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 composes 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, Listzt's transcriptions of songs by Schubert.