1) Boastful person 2) Braggart 3) French boy name 4) French word used in English 
• (a.) Of or pertaining to Gascony, in France, or to the Gascons; also, braggart; swaggering. • (n.) A native of Gascony; a boaster; a bully. See Gasconade.
(from the article `France`) ...maintained control of the eastern region but had to cope with raids by the Bretons, who had established heavily populated settlements in the ...
Gas'con adjective [ French] Of or pertaining to Gascony, in France, or to the Gascons; also, braggart; swaggering. -- noun A native of Gascony; a boaster; a bully. See Gasconade . 
The Gascon is a beef breed of cow found in the region of Gascony in south-west France and is related to the Blonde d' Aquitaine and the Piedmontese.