single-breasted

[ sing-guh l-bres-tid ]

/ ˈsɪŋ gəlˈbrɛs tɪd /

(of a coat, jacket, etc.) having a front closure directly in the center with only a narrow overlap secured by a single button or row of buttons.

(of a suit) having a jacket or coat of this type.

Compare double-breasted.

Origin of single-breasted

First recorded in 1790–1800

A double-breasted suit is more formal than a single-breasted one.

Herman Cain's Power Suit |Robin Givhan |November 4, 2011 |DAILY BEAST
And the surtout, single-breasted, was thrown open gallantly; and in the second button-hole thereof was a moss-rose.

My Novel, Complete |Edward Bulwer-Lytton
Double-breasted models are appropriate for the young man; single-breasted for the older.

Book of Etiquette, Volume 2 |Lillian Eichler Watson
The largest river in the world is the Amazon, named after the single-breasted suffragette of ancient times.

This Giddy Globe |Oliver Herford

There was only one inconvenience in the single-breasted jacket.

In the Forbidden Land |Arnold Henry Savage Landor
And the surtout, single-breasted, was thrown open gallantly; and in the second button-hole thereof was a moss rose.

Harper's New Monthly Magazine, Vol. 3, July, 1851 |Various

single-breasted

(of a garment) having the fronts overlapping only slightly and with one row of fastenings