[kuhm-er-buhnd] 
| a wide sash worn at the waist, esp. a horizontally pleated one worn with a tuxedo. |
| cum·mer·bund (kŭm'ər-bŭnd') n. A broad sash, especially one that is pleated lengthwise and worn as an article of formal dress, as with a dinner jacket. [Hindi kamarband, from Persian : kamar, waist + band, band; see bund1.] |
ərˌbʌnd