/ Dictionary / Index I Inca: Meaning and Definition of Find definitions for: In•ca Pronunciation: (ing'ku), [key] — n. a member of any of the dominant groups of South American Indian peoples who established an empire in Peru prior to the Spanish conquest. a ruler or member of the royal family in the Incan empire. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: inca (Thesaurus) Inc. Incabloc Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language