bi ‧ ath ‧ lon /baɪˈæθlən $ -lɑːn, -lən/ BrE AmE noun [countable]
[ Date: 1900-2000 ; Origin: bi- + Greek athlon 'competition' ]
a sports competition in which competitors ↑ ski across fields and then shoot a ↑ rifle ⇨ decathlon , pentathlon
bi ‧ ath ‧ lon /baɪˈæθlən $ -lɑːn, -lən/ BrE AmE noun [countable]
[ Date: 1900-2000 ; Origin: bi- + Greek athlon 'competition' ]
a sports competition in which competitors ↑ ski across fields and then shoot a ↑ rifle ⇨ decathlon , pentathlon
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012