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-piece is a noun and adjective meaning "a business suit consisting of a matching jacket and skirt or trousers". It carries 3 recorded senses.
a business suit consisting of a matching jacket and skirt or trousers
(of clothing) made in or consisting of two parts or pieces
“a two-piece swimsuit”
Definitions, synonyms and semantic relations for two-piece come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.