/ Dictionary / Index T tetrabrach: Meaning and Definition of Find definitions for: tet•ra•brach Pronunciation: (te'tru-brak"), [key] — n. Class. Pros. a metrical foot or word of four short syllables. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. tetrabasic tetrabranchiate Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language