polliwog Syllabification: (pol·li·wog)Pronunciation: /ˈpälēˌwäg, -ˌwôg/ (also pollywog)Definition of polliwog noun North American & dialect a tadpole. Origin: late Middle English (earlier as pollywiggle): from poll in the sense 'head' + the verb wigglepolliwog in other Oxford dictionaries Definition of polliwog in the British & World English dictionary