/ Dictionary / Index G gallop rhythm: Meaning and Definition of Find definitions for: gal'lop rhythm" Pronunciation: [key] — Pathol. Pathol. an abnormal heart rhythm characterized by three clear sounds in each beat, resembling the sound of a horse's gallop. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. galloping dominoes Gallo-Romance Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language