castle /ˈkæsəl/ Brit /ˈkɑːsəl/ noun plural castles
/ˈkæsəl/ Brit /ˈkɑːsəl/
noun
plural castles
Learner's 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城堡;堡垒
2
informal : a large expensive house豪宅 3
: a piece in the game of chess that looks like a castle tower : rook(国际象棋)车 — see picture at chess
castle in the air
also castle in Spain
: a dream, plan, or idea that can never become real空中楼阁;白日梦 —
usually plural通常用复数