bilogy

A series of two related works, many times being relevant to movies, books, plays, etc.

Bicycle = Bike with 2 wheels
Tricycle = Bike with 3 wheels

Bilogy = Story told through 2 movies
Trilogy = Story told through 3 movies

"Kill Bill is my favorite bilogy... mostly because I can't think of any others."

by BobbyGo August 04, 2012