trilogy
n. துன்பியல் நாடக மூன்றன் தொகுதி, மூன்றன் தொகுதி.
Tril"o*gy, n. Etym: [Gr. Tri-) + trilogie.] Defn: A series of three dramas which, although each of them is in one sense complete, have a close mutual relation, and form one historical and poetical picture. Shakespeare's " Henry VI." is an example. On the Greek stage, a drama, or acted story, consisted in reality of three dramas, called together a trilogy, and performed consecutively in the course of one day. Coleridge.