Gascon /ˈɡæs.kən/noun 3adjective 2forms 1 noun3 •A native or inhabitant of Gascony, a region of southwest France.Gene Kelly plays D'Artagnan as an irrepressible, tongue-in-cheek Gascon who is knee-deep in gory swordplay. — 1948 •A breed of cow from Gascony •(no longer used) A braggart; a bully. adjective2 •Of or relating to Gascony. •(no longer used) braggart; swaggering formsGascons