ポリ Common word LinksSentence search for ポリEdit in JMdict Prefix1. poly-Noun2. polyethyleneAbbreviation, See also ポリエチレン, usu. in compoundsNoun3. polyphony (of an electronic keyboard, etc.)Music, Abbreviation, See also ポリフォニーPlace4. Pori (Finland)Wikipedia definition5. Poly Discussions Log in to talk about this word.