n. # A set of seven works of art that are connected, and that can be seen either as a single work or as seven individual works. They are commonly found in literature, film, or video games.
Word Usage
"The final word, “scar,” might not refer to the one on Harry’s forehead, then, but to a new mark that appears on another person, now the bearer of Harry’s purified soul — and perhaps the protagonist of a lucrative new heptalogy."