TEFF Meaning of TEFF in English /tef/ , n.a grass, Eragrostis tef, native to northern Africa, where it is cultivated for its edible seeds. [ 1780-90; t'ef; cf. Geez t'ah'af, t'ayaf ] Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012