cum ‧ mer ‧ bund /ˈkʌməbʌnd $ -ər-/ BrE AmE noun [countable]
[ Date: 1600-1700 ; Language: Urdu ; Origin: kamarband , from Persian , from kamar 'waist' + band 'band' ]
a wide piece of cloth that a man wears around his waist as part of a special suit worn on very formal occasions