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portcullis    
n. 吊闸
vt. 给…装吊闸,用吊闸关闭

吊闸给…装吊闸,用吊闸关闭

portcullis
n 1: gate consisting of an iron or wooden grating that hangs in
the entry to a castle or fortified town; can be lowered to
prevent passage

Portcullis \Port*cul"lis\, n. [OF. porte coulisse, cole["i]ce, a
sliding door, fr. L. colare, colatum, to filter, to strain:
cf. F. couler to glide. See {Port} a gate, and cf. {Cullis},
{Colander}.]
1. (Fort.) A grating of iron or of timbers pointed with iron,
hung over the gateway of a fortress, to be let down to
prevent the entrance of an enemy. "Let the portcullis
fall." --Sir W. Scott.
[1913 Webster]

She . . . the huge portcullis high updrew. --Milton.
[1913 Webster]

2. An English coin of the reign of Elizabeth, struck for the
use of the East India Company; -- so called from its
bearing the figure of a portcullis on the reverse.
[1913 Webster]


Portcullis \Port*cul"lis\, v. t. [imp. & p. p. {Portcullised};
p. pr. & vb. n. {Portcullising}.]
To obstruct with, or as with, a portcullis; to shut; to bar.
[R.] --Shak.
[1913 Webster]


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