Answer:

abbeys

Answer	Crossword Clue
ABBEYS	Monks' milieus
ABBEYS	Monasteries
ABBEYS	Monk habitats

ABBEYS	Monks' homes
ABBEYS	Monks' milieux
ABBEYS	Monks' residences
ABBEYS	Cloisters
ABBEYS	Cloisters.
ABBEYS	Convents.
ABBEYS	Monasteries.
ABBEYS	Westminster, etc.

ABBEYS	Monasteries or convents
ABBEYS	Certain cloisters
ABBEYS	Centers of learning in the Dark Ages
ABBEYS	St. Mary's and others
ABBEYS	Where brothers and sisters hang out
ABBEYS	Sisters' homes
ABBEYS	Nuns' homes
ABBEYS	Some monasteries

ABBEYS	Places with cloisters
ABBEYS	Homes for nuns