tetralogy

views updated May 11 2018

te·tral·o·gy / teˈträləjē/ • n. (pl. -gies) 1. a group of four related literary or operatic works. ∎  a series of four ancient Greek dramas, three tragedies and one satyr play, originally presented together.2. Med. a set of four related symptoms or abnormalities frequently occurring together.