ar·range·ment / əˈrānjmənt/ • n. 1. the action, process, or result of arranging or being arranged. ∎  a thing that has been arranged in a neat or attractive way: flower arrangements.2. (usu. arrangements) plans or preparations for a future event: all the arrangements for the wedding were made. ∎  an agreement with someone: the travel agents have an arrangement with the hotel.3. Mus. a composition adapted for performance with different instruments or voices than those originally specified: Mozart's symphonies in arrangements for cello and piano.4. archaic a settlement of a dispute or claim.

arrangement or transcription. Adaptation of a piece of mus. for a medium other than that for which it was orig. comp. Sometimes ‘transcription’ means a rewriting for the same medium but in a style easier to play. (In the USA there appears to be a tendency to use ‘arrangement’ for a free treatment of the material and ‘transcription’ for a more faithful treatment. In jazz ‘arrangement’ tends to signify ‘orchestration’.)