ˈkɑ:sl n. & v. --n. 1 a a
large fortified
building or
group of buildings; a
stronghold. b a
formerly fortified
mansion. 2
Chess =
ROOK(2). --v. Chess 1 intr.
make a
special move (once
only in a game on
each side) in
which the king is moved
two squares
along the
back rank
and the nearer rook is moved to the
square passed
over by the king. 2 tr. move (the king) by castling. øcastles in the
air (or in Spain) a
visionary unattainable scheme; a day-dream. øøcastled adj. [AF & ONF castel, chastel f. L castellum dimin. of castrum fort]