tri ‧ ath ‧ lon /traɪˈæθlən/ BrE AmE noun [countable]
[ Date: 1900-2000 ; Origin: tri- + Greek athlon 'competition' ]
a sports competition in which competitors run, swim, and cycle long distances
tri ‧ ath ‧ lon /traɪˈæθlən/ BrE AmE noun [countable]
[ Date: 1900-2000 ; Origin: tri- + Greek athlon 'competition' ]
a sports competition in which competitors run, swim, and cycle long distances
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012