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