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