First Known Use: 1973
Dictionary
triathlon
triathlon
noun tri·ath·lon \trī-ˈath-lən, -ˌlän, ÷-ˈa-thə-\
sports : a long-distance race that has three parts (such as swimming, bicycling, and running)
Full Definition of TRIATHLON
: an athletic contest that is a long-distance race consisting of three phases (as swimming, bicycling, and running)
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Origin of TRIATHLON
tri- + -athlon (as in decathlon)
Rhymes with TRIATHLON
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