Is “Rookery” a Scrabble word?
Yes
ROOKERY
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Rookery
noun
1.A colony of breeding birds or other animals.
2.A crowded tenement.
3.A place where criminals congregate, often an area of a town or city.