BASE jumping BrE AmE , base jumping /ˈbeɪs ˌdʒʌmpɪŋ/ noun [uncountable]
(Building, Antenna, Span, Earth) a sport in which people jump off tall objects such as buildings, bridges, or cliffs, using a ↑ parachute
BASE jumping BrE AmE , base jumping /ˈbeɪs ˌdʒʌmpɪŋ/ noun [uncountable]
(Building, Antenna, Span, Earth) a sport in which people jump off tall objects such as buildings, bridges, or cliffs, using a ↑ parachute
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012