n. 城堡, 象棋中的车

vt. 置于城堡中, 盘踞于

[医] 铅制容器(盛放射物质)

Castle \Cas"tle\, v. i. [imp. & p. p. {Castled}; p. pr. & vb. n.
{Castling}.] (Chess)
To move the castle to the square next to king, and then the
king around the castle to the square next beyond it, for the
purpose of covering the king.


Castle \Cas"tle\, n. [AS. castel, fr. L. castellum, dim. of
castrum a fortified place, castle.]
1. A fortified residence, especially that of a prince or
nobleman; a fortress.

The house of every one is to him castle and
fortress, as well for his defense againts injury and
violence, as for his repose. --Coke.

Our castle's strength
Will laugh a siege to scorn. --Shak.

Note: Originally the medi[ae]val castle was a single strong
tower or keep, with a palisaded inclosure around it and
inferior buidings, such as stables and the like, and
surrounded by a moat; then such a keep or donjon, with
courtyards or baileys and accessory buildings of
greater elaboration a great hall and a chapel, all
surrounded by defensive walls and a moat, with a
drawbridge, etc. Afterwards the name was retained by
large dwellings that had formerly been fortresses, or
by those which replaced ancient fortresses. A Donjon or
Keep, an irregular building containing the dwelling of
the lord and his family; B C Large round towers ferming
part of the donjon and of the exterior; D Square tower,
separating the two inner courts and forming part of the
donjon; E Chapel, whose apse forms a half-round tower,
F, on the exterior walls; G H Round towers on the
exterior walls; K Postern gate, reached from outside by
a removable fight of steps or inclined plane for
hoisting in stores, and leading to a court, L (see
small digagram) whose pavement is on a level with the
sill of the postern, but below the level of the larger
court, with which it communicates by a separately
fortified gateway; M Turret, containing spiral stairway
to all the stories of the great tower, B, and serving
also as a station for signal fire, banner, etc.; N
Turret with stairway for tower, C; O Echauguettes; P P
P Battlemants consisting of merlons and crenels
alternately, the merlons being pierced by loopholes; Q
Q Machicolations (those at Q defend the postern K); R
Outwork defending the approach, which is a road
ascending the hill and passing under all four faces of
the castle; S S Wall of the outer bailey. The road of
approach enters the bailey at T and passes thence into
the castle by the main entrance gateway (which is in
the wall between, and defended by the towers, C H) and
over two drawbridges and through fortified passages to
the inner court.

2. Any strong, imposing, and stately mansion.

3. A small tower, as on a ship, or an elephant's back.

4. A piece, made to represent a castle, used in the game of
chess; a rook.

{Castle in the air}, a visionary project; a baseless scheme;
an air castle; -- sometimes called a {castle in Spain} (F.
Ch[^a]teau en Espagne).

Syn: Fortress; fortification; citadel; stronghold. See
{Fortress}.