a collection of rooks’ nests; the breeding place or large colony of sea birds or other marine mammals; hence, the birds themselves, as herons or penguins; a cluster of dilapidated buildings. See also building.
Examples: rookery of albatross; of buildings; of crows; of herons; of penguins; of prostitutes; of rooks; of sea bears; of sea elephants; of seals; of volcanoes.