appellatory UK /əˈpɛlətəɹi/US /əˈpɛləˌtɔɹi/adjective 2noun 1forms 1 adjective2 •Containing or pertaining to a legal appeal.An appellatory libel ought to contain […]the name of the party appellant. — 1726 •Serving to ask or demand something. noun1 •A written petition or appeal. formsappellatories