flying fox
n.— «Afternoon activities might include a paddle on Merribrook’s trout-filled lake, a bushwalk, bike ride or, to cater for those over-active kids again, a trip down what is billed as the world’s longest flying fox, a 400-metre “zipwire” journey across a grassy valley.» —“The Escape And The Challenge Of Adventure” by Tim Treadgold Business Review Weeekly (Australia) Nov. 3, 1989. (source: Double-Tongued Dictionary)