/ Dictionary / Index F foster care: Meaning and Definition of Find definitions for: fos'ter care" Pronunciation: [key] the raising or supervision of foster children, as orphans or delinquents, in an institution, group home, or private home, usually arranged through a government or social-service agency that provides remuneration for expenses. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. foster brother foster child 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