n.
1.a large and stately mansion
2.a large building formerly occupied by a ruler and fortified against attack
3.(chess) the piece that can move any number of unoccupied squares in a direction parallel to the sides of the chessboard
4.interchanging the positions of the king and a rook castle v.
1.move the king two squares toward a rook and in the same move the rook to the square next past the king
Idiom of the Day
put (someone or something) out to pasture or put out (someone or something) to pasture
to retire someone or something
We decided to put our old horse out to pasture and stop riding him.