Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
abactinal is an adjective meaning "(of radiate animals) located on the surface or end opposite to that on which the mouth is situated". It carries one recorded sense.
(of radiate animals) located on the surface or end opposite to that on which the mouth is situated
Definitions, synonyms and semantic relations for abactinal come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.