Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
paleocerebellum is a noun meaning "the anterior lobe of the cerebellum which was one of the earliest parts of the hindbrain to develop in mammals". It carries one recorded sense.
the anterior lobe of the cerebellum which was one of the earliest parts of the hindbrain to develop in mammals
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 paleocerebellum come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.