The story
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: The loosely-defined fictional universe encompassing the worlds forming the setting for the television and film works of Joss Whedon, notably the television series Buffy the Vampire Slayer, Angel, and Firefly, and the film Serenity. Full definition →
Etymology from Wiktionary, CC BY-SA 4.0.