castle
noun
ˈkɑːsəl
noun
1
Castle
also
又作
a
very
large
strong
building,
built
in
the
past
as
a
safe
place
that
could
be
easily
defended
against
attack
城堡，堡垒
Edinburgh
Castle
爱丁堡城堡
a
ruined
castle
破败的城堡
2
one
of
the
pieces
used
in
a
game
of
CHESS.
Each
player
has
two
castles,
which
start
the
game
in
the
corner
squares,
and
can
move
only
forwards
or
sideways
〔国际象棋中的〕车;
3
castles in the air
plans
or
hopes
that
you
have
that
are
unlikely
ever
to
become
real
空中楼阁，异想天开，幻想