/ Dictionary / Index A Ancaster: Meaning and Definition of Find definitions for: An•cas•ter Pronunciation: (an'kas-tur, ang'-), [key] — n. a town in S Ontario, in S Canada. 14,255. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Ancaeus -ance Related Content Daily Word Quiz: penchant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language