castle
2 ENTRIES FOUND:
plural
castles
plural
castles
Britannica Dictionary definition of CASTLE
[count]
1
:
a large building usually with high, thick walls and towers that was built in the past to protect against attack
2
informal
:
a large expensive house
-
Millionaires built their castles along the lake.
castle in the air
also castle in Spain
:
a dream, plan, or idea that can never become real
— usually plural
-
He's just building castles in the air if he thinks he can open a restaurant without any money.
