DICT.TW Dictionary Taiwan

 port·cul·lis /portˈkʌləs, pɔrt-/
 吊閘(vt.)給…裝吊閘,用吊閘關閉

 Port·cul·lis n.
 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.”
    She . . . the huge portcullis high updrew.   --Milton.
 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.

 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.]
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 portcullis
      n : 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