/ Dictionary / Index A ariki: Meaning and Definition of Find definitions for: a•ri•ki Pronunciation: (ä-rē'kē), [key] — pl. -ki. (in Polynesia) a chief or king. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Arikara aril Related Content Daily Word Quiz: verbose Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language