Definition of "single-breasted" [sin•gle-breast•ed]

• Closing with a narrow overlap and fastened down the front with a single row of buttons: a single-breasted suit. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "We waded through all the beautiful suits that had been chucked away and eventually found a smart, single-breasted, putty-coloured number from Balmain Paris."
• "Arriving early one Saturday morning, we rummaged through the racks of cast-offs and almost immediately found a smart navy pinstripe; single-breasted, it had navy lining and flashes of red silk inside the pockets."
• "Lewis also recommends single-breasted tuxedos from Dior and YSL."