a breeding colony of rooks, typically seen as a collection of nests high in a clump of trees 秃鼻乌鸦群;秃鼻乌鸦结巢处(尤指见于树丛高处的群巢) ■a breeding colony of seabirds (especially penguins), seals, or turtles (海鸟[尤指企鹅]、海豹或海龟)群;群栖处 ■North American term for heronry (北美)。 同 heronry ■(figurative)a dense collection of housing, especially in a slum area (喻)(尤指贫民区的)拥挤的住宅群