Portcullis

1. n. 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.
2. n. 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.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.