Francis of Assisi fran·ci·so·fassisi uncommon noun 1. (Roman Catholic Church) an Italian and the Roman Catholic monk who founded the Franciscan order of friars (1181-1226) SynonymsFrancis of AssisiSaint Francis of AssisiSt. Francis of AssisiSaint FrancisSt. FrancisGiovanni di Bernardone Related words Broader terms saint WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.