Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
triple-crown is an adjective meaning "of a horse that has won the Kentucky Derby and the Belmont Stakes and the Preakness races". It carries 2 recorded senses.
of a horse that has won the Kentucky Derby and the Belmont Stakes and the Preakness races
horse racing
unofficial championship title for player who heads the league in batting average and home runs and runs batted in
baseball
Definitions, synonyms and semantic relations for triple-crown come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.