a. rare. [f. L. type *compositōri-us, f. compositor, taken in sense composer + -AL.] Of or pertaining to composers or compositors.
1821. New Monthly Mag., I. 471. His [Handels] compositorial supremacy. Ibid. (1823), IX. 202/1. Rossini seems to be the idol of the rising compositorial generation in Italy.
1844. Tupper, Twins, Postscr. 222. These compositorial difficulties are among the minor tribulations of authorship.