ˌblack-water ˈrafting BrE AmE noun [uncountable]
the activity of riding in an ↑ inner tube (=large rubber tube filled with air, like those inside a tyre) along a fast-flowing river that runs under the ground through ↑ cave s
ˌblack-water ˈrafting BrE AmE noun [uncountable]
the activity of riding in an ↑ inner tube (=large rubber tube filled with air, like those inside a tyre) along a fast-flowing river that runs under the ground through ↑ cave s
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012