/ Dictionary / Index R rookery: Meaning and Definition of Find definitions for: rook•er•y Pronunciation: (rook'u-rē), [key] — pl. -er•ies. a breeding place or colony of gregarious birds or animals, as penguins and seals. a colony of rooks. a place where rooks congregate to breed. a crowded tenement house. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: rookery (Thesaurus) rook rookie Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language