gallicanEtymologyBorrowed from Latin Gallicānus (“pertaining to Gaul or France; Gallican”), from Gallicus (“Gaulish, French”) (from Gallia (“Gaul”)) + -ānus (suffix meaning ‘of or pertaining to’).adjRelating to Gaul or France; Gallic; French.Relating to the French Roman Catholic church, especially before the late 19th century.“the Gallican church or clergy”Relating to Gallicanism.nounAn adherent to, and supporter of, Gallicanism.