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