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