- a meeting in which a spiritualist attempts to communicate with the spirits of the dead.
- a session or sitting, as of a class or organization.
- a meeting at which spiritualists attempt to receive messages from the spirits of the dead
- a meeting of a society
n.1789, “sitting, session,” as of a learned society, from French séance “a sitting,” from seoir “to sit,” from Latin sedere (see sedentary). Meaning “spiritualistic session” first recorded 1845.