| 单词 | rookery | 
| 释义 | Word Frequency rookery(ˈrʊkərɪ) nounWord forms:  plural -eries 1.  a group of nesting rooks  2.  a clump of trees containing rooks'nests  3.  a.  a breeding ground or communal living area of certain other species of gregarious birds or mammals, esp penguins or seals  b.  a colony of any such creatures  4.  archaic an overcrowded slum tenement building or area of housing   | 
	
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