/ Dictionary / Index A arigato*: Meaning and Definition of Find definitions for: a•ri•ga•to Pronunciation: (ä'rē-gä'tô Eng. är&secē-gä'tō), [key] — interj. Japanese. thank you. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. arietta aright Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language