triathlon

play
noun tri·ath·lon \trī-ˈath-lən, -ˌlän, ÷-ˈa-thə-\

Definition of triathlon

  1. :  an athletic contest that is a long-distance race consisting of three phases (as swimming, bicycling, and running)

Origin and Etymology of triathlon

tri- + -athlon (as in decathlon)


First Known Use: 1973


TRIATHLON Defined for English Language Learners

triathlon

play
noun tri·ath·lon \trī-ˈath-lən, -ˌlän, ÷-ˈa-thə-\

Definition of triathlon for English Language Learners

  • sports : a long-distance race that has three parts (such as swimming, bicycling, and running)


Learn More about triathlon


Seen and Heard

What made you want to look up triathlon? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

a Mesopotamian temple tower

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

  • alphabet-magnets
  • Which is the correct spelling?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ