Gasconian UK /ɡæsˈkəʊ.ni.ən/US /ɡæsˈkoʊ.ni.ən/adjective 1noun 1forms 3 adjective1 •Of or relating to Gascony. noun1 •A native or inhabitant of Gascony. formsGasconians · more Gasconian · most Gasconian