Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
3rd is an adjective meaning "coming next after the second and just before the fourth in position". It carries one recorded sense.
Definitions, synonyms and semantic relations for 3rd come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.