blackpoll Syllabification: (black·poll)Pronunciation: /ˈblakˌpōl/ (also blackpoll warbler)Definition of blackpoll noun a North American warbler, the male of which has a black cap, white cheeks, and white underparts streaked with black. Dendroica striata, subfamily Parulinae, family Emberizidae blackpoll in other Oxford dictionaries Definition of blackpoll in the British & World English dictionary