Definition of rookery

• n. - The breeding place of a colony of rooks; also, the birds themselves.
• n. - A breeding place of other gregarious birds, as of herons, penguins, etc.
• n. - The breeding ground of seals, esp. of the fur seals.
• n. - A dilapidated building with many rooms and occupants; a cluster of dilapidated or mean buildings.
• n. - A brothel.