pokeweed Syllabification: (poke·weed)Pronunciation: /ˈpōkˌwēd/Definition of pokeweed noun a North American plant with red stems, spikes of cream flowers, and purple berries. Also called poke3, inkberry.Phytolacca americana, family Phytolaccaceae Origin: early 18th century: from poke3pokeweed in other Oxford dictionaries Definition of pokeweed in the British & World English dictionary