/ Dictionary / Index R rataplan: Meaning and Definition of Find definitions for: rat•a•plan Pronunciation: (rat"u-plan'), [key] — n., v., -planned, -plan•ning. —n. a sound of or as of the beating of a drum. —v.i. to produce such a sound. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: rataplan (Thesaurus) ratan rat-a-tat Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language