taeniaEnglishOxford Dictionary of Englishtaenia /ˈtiːniə / (US English also tenia) ▸ noun (plural taeniae /ˈtiːnɪiː/)(plural or taenias) 1 Anatomy a flat ribbon-like structure in the body. ▪ (taeniae coli /ˈkəʊlʌɪ/) the smooth longitudinal muscles of the colon. 2 Architecture a fillet between a Doric architrave and frieze. 3 (in ancient Greece) a band or ribbon worn round a person's head. 4 a large tapeworm which parasitizes mammals. Genus Taenia, class Cestoda: several species, in particular T. saginata and T. soleum. – DERIVATIVES taenioid (US English also tenioid) adjective– ORIGIN mid 16th century (in taenia (sense 2 of the noun)): via Latin from Greek tainia ‘band, ribbon’.