/ Dictionary / Index A ancestral: Meaning and Definition of Find definitions for: an•ces•tral Pronunciation: (an-ses'trul), [key] — adj. pertaining to ancestors; descending or claimed from ancestors: an ancestral home. serving as a forerunner, prototype, or inspiration. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: ancestral (Thesaurus) ancestor worship ancestress Related Content Daily Word Quiz: supine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language