Illustration of portcullis
 
 
| 单词 | portcullis | 
| 释义 | portcullisnoun  port·cul·lis  pȯrt-ˈkə-ləs    : a grating of iron hung over the gateway of a fortified place and lowered between grooves to prevent passage   portcullis nounas in trapdoor Synonyms & Similar Words Relevance 
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