double-breasted adj 1: (of clothing) fastened by lapping one edge of the front well over the other usually with a double row of buttons; "double-breasted jacket"; "double-breasted suit" [ant: {single-breasted}]
Double-breasted \Dou"ble-breast`ed\, a. Folding or lapping over on the breast, with a row of buttons and buttonholes on each side; as, a double-breasted coat. [1913 Webster]