cummerbund \KUHM-er-buhnd\,
noun:
a wide sash worn at the waist, especially a horizontally pleated one worn with a tuxedo.
Wilson stood gloomily by his bed in the Bedford Hotel and contemplated his cummerbund, which lay ruffled like an angry snake…
-- Graham Greene, "The Heart of the Matter," 1948
He was now dressed for the evening, in a white tuxedo shirt, black cummerbund, and bowtie.
-- Tom Clancy, "Rainbow Six," 1998
Cummerbund came to English in the 17th century from the Urdu and Persian kamarband, meaning "waistband."
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