/ Dictionary / Index F Foster City: Meaning and Definition of Find definitions for: Fos'ter Cit'y Pronunciation: [key] a city in W California. 23,287. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. foster child foster daughter Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language