Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
chaetognathan is an adjective meaning "of or relating to arrowworms". It carries one recorded sense.
of or relating to arrowworms
Definitions, synonyms and semantic relations for chaetognathan come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.