aq ‧ ua ‧ ro ‧ bics /ˌækwəˈrəʊbɪks $ -ˈroʊ-/ BrE AmE noun [uncountable]
↑ aerobics (=very active physical exercise done to music, usually in a class) that you do in a swimming pool
aq ‧ ua ‧ ro ‧ bics /ˌækwəˈrəʊbɪks $ -ˈroʊ-/ BrE AmE noun [uncountable]
↑ aerobics (=very active physical exercise done to music, usually in a class) that you do in a swimming pool
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012