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