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