0 A double-breasted jacket or coat has two sets of buttons and two wide parts at the front, one of which covers the other when the buttons are fastened.
1 (of a jacket) having two sets of buttons and two wide parts at the front:
a double-breasted suit
Cuffed trousers are not good form, nor should a dinner coat be double-breasted.
He finally tucked this into an inner pocket of the double-breasted pilot coat he wore.
He was dressed in a dark town suit and wore a big double-breasted overcoat.
He wears white flannels, the coat double-breasted and buttoned, the tie is light blue "puffing" fastened with a large pearl.
He wore a double-breasted coat, that on anyone else would have looked ridiculous, and even so was strikingly original.
The present prohibition on double-breasted blazers was imposed in order to save labour and materials.
It has nothing to do with the double-breasted ones at all.
Roughly speaking, the difference between them is that a trench coat is double-breasted, fully interlined, has a wide skirt and usually has an extra outer piece on the shoulders.
