[f. TRILOGY + -ICAL.] Of or pertaining to a trilogy. So Trilogic a.; Trilogist, the author of a trilogy.
1866. Felton, Anc. & Mod. Gr., I. I. xi. 201. The trilogical form appears to have been an enlargement of the original tragic outline.
1870. Daily News, 2 Nov., 5/2. It may not be given to every baby to be born in a library like the romantic Trilogist of Hughenden.
1889. Haigh, Attic Theatre, 22. In it the trilogic form of composition is brought to the highest perfection.
1913. Daily News, 8 Aug., 7/1. Mr. Onions is the first of the English trilogists to consummate his undertaking.
