Assertion: cummerbund | /r/HasProperty | informal word
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Source sentences:
text: A cummerbund is also an informal word used in scuba diving to mean a wide waistband either on a buoyancy control device designed to provide more comfort to the user than a standard waistband and usually made of a stout fabric backed with velcro fastenings, or on a two-piece dry suit where a flexible rubber waistband helps to maintain a watertight seal between the jacket and the pants of the suit.