Pronunciation: (sing'gul-bres'tid), [key]
1. (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.
2. (of a suit) having a jacket or coat of this type. Cf. double-breasted.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.