Action d'orchestrer, son résultat.
1. An arrangement of a piece of music for performance by an orchestra or band.
2. An arrangement of events that attempts to achieve a maximum effect
3. The act of arranging a piece of music for an orchestra.
Scoring of a composition for orchestra; the choice of instruments of a score expanded for orchestra (often by another hand). A work may be written for piano, and then transferred to an orchestral score.