Felician /fəˈlɪʃən/adjective 1noun 1forms 1 adjective1 •Of or relating to the Roman Catholic order Felician Sisters.Incidentally, another Felician nun, Sister Mary Reginette, will be leaving her post as head of the college’s Religious Department. — 1979 noun1 •A member of the Roman Catholic order Felician Sisters.Sister Hiltrude, a member of the Felician order for 40 years, has been at Lodi, one of four provinces maintained by the Felicians in the United States, for 20 years. — 1979 formsFelicians