succursal /səˈkɜː(ɹ)səl/adjective 2noun 1forms 1 adjective2 •subsidiary (to a religious establishment) •Serving to aid or help; serving as a chapel of ease; tributary.Not a city was without its cathedral, surrounded by its succursal churches, its monasteries, and convents. — 1855 noun1 •A subsidiary parish. formssuccursals