Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
oligochaete is a noun meaning "hermaphroditic terrestrial and aquatic annelids having bristles borne singly along the length of the body". It carries one recorded sense.
hermaphroditic terrestrial and aquatic annelids having bristles borne singly along the length of the body
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for oligochaete come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.