bundwall
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bundwall
(ˈbʌndˌwɔːl)n
(Civil Engineering) a concrete or earth wall surrounding a storage tank containing crude oil or its refined product, designed to hold the contents of the tank in the event of a rupture or leak
[C20: from bund + wall]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014