coven

noun5

1. •
   A formal group or assembly of witches.

   • A coven of witches is traditionally composed of thirteen members of either sex, with one of them acting as officer or priest. — 1965
2. •
   In fantasy fiction, a family, group or assembly of vampires.
3. •
   A clique that shares common interests or activities.

   • “This is a very African area”, he said as they maneuvered their way among the covens of menacing children gathered in the halls. — 1986
4. •
   A nunnery, a convent.
5. •
   (no longer used) A confederacy or band of people.