heliconia Syllabification: (hel·i·co·nia)Pronunciation: /ˌheliˈkōnēə/Definition of heliconia noun a large-leaved tropical American plant that bears spectacular flowers with brightly colored bracts. Genus Heliconia, family Heliconiaceae (formerly Musaceae): many species, including the lobster claw heliconia in other Oxford dictionaries Definition of heliconia in the British & World English dictionary