/ Dictionary / Index T tefillin: Meaning and Definition of Find definitions for: te•fil•lin Pronunciation: (Ashk. Heb.,Eng.tu-fil'inSeph. Heb.tu-fē-lēn'), [key] — n.pl. Judaism. the phylacteries. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: tefillin (Thesaurus) teff TEFL Related Content Daily Word Quiz: philanthropy Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language