Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
three-ply is an adjective meaning "having a thickness made up of three layers or strands". It carries one recorded sense.
Definitions, synonyms and semantic relations for three-ply come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.