/ Dictionary / Index T triquetra: Meaning and Definition of Find definitions for: tri•que•tra Pronunciation: (trī-kwē'tru, -kwe'-), [key] — n. a geometrical figure having three points, esp. one formed of three intersecting ellipses: The triquetra was often used in ancient art to symbolize a triune deity. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. tripwire triquetrous Related Content Daily Word Quiz: philtrum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language