/ Dictionary / Index T teff: Meaning and Definition of Find definitions for: teff Pronunciation: (tef), [key] a grass, Eragrostis tef, native to northern Africa, where it is cultivated for its edible seeds. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: teff (Thesaurus) teevee tefillin Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language