Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
two-seater is a noun meaning "an open automobile having a front seat and a rumble seat". It carries one recorded sense.
an open automobile having a front seat and a rumble seat
Definitions, synonyms and semantic relations for two-seater come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.