Définitions
1.NounA large residential building or compound that is fortified and contains many defences; in previous ages often inhabited by a nobleman or king. Also, a house or mansion with some of the architectural features of medieval castles.
2.NounAn instance of castling.
3.NounA rook; a chess piece shaped like a castle tower.
4.NounA defense structure in shogi formed by defensive pieces surrounding the king.
5.NounA close helmet.
6.NounAny strong, imposing, and stately palace or mansion.
7.NounA small tower, as on a ship, or an elephant's back.
8.NounThe wicket.
9.VerbTo house or keep in a castle.
10.VerbTo protect or separate in a similar way.
11.VerbTo make into a castle: to build in the form of a castle or add (real or imitation) battlements to an existing building.
12.VerbTo move the king 2 squares right or left and, in the same turn, the nearest rook to the far side of the king. The move now has special rules: the king cannot be in, go through, or end in check; the squares between the king and rook must be vacant; and neither piece may have been moved before castling.
13.VerbTo create a similar defensive position in Japanese chess through several moves.
14.VerbTo bowl a batsman with a full-length ball or yorker such that the stumps are knocked over.