/ Dictionary / Index T tau cross: Meaning and Definition of Find definitions for: tau' cross" Pronunciation: [key] a-shaped cross. Also calledSee illus. under Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Tauchnitz taught Related Content Daily Word Quiz: penchant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language