Definition of tetrathlon noun from the Oxford Advanced Learner's Dictionary



BrE BrE//teˈtræθlən//
; NAmE NAmE//teˈtræθlən//
Athletics, Water sports
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a sporting event in which people compete in four different sports, usually riding, shooting, swimming and running compare biathlon, decathlon, heptathlon, pentathlon, triathlon See related entries: Athletics, Water sports Word Origin1950s: from tetra- ‘four’ + Greek athlon ‘contest’, on the pattern of pentathlon.
See the Oxford Advanced American Dictionary entry: tetrathlon