from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. # A set of five works of art that are connected, and that can be seen either as a single work or as five individual works. They are commonly found in literature, film, or video games.
from The Century Dictionary and Cyclopedia
- n. Five mutually connected parts or principles; a pentad; specifically, a fivefold classification; the doctrine of the fivefoldness of the universe.
Ancient Greek πέντε (pénte, "five") + λόγος (lógos, "word, story"). (Wiktionary)