Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
apteral is an adjective meaning "having columns at one or both ends but not along the sides". It carries 2 recorded senses.
having columns at one or both ends but not along the sides
Definitions, synonyms and semantic relations for apteral come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.