Portcullis

Webster's Dictionary of the English Language

·vt To obstruct with, or as with, a portcullis; to Shut; to Bar.

II. Portcullis ·noun 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.

III. Portcullis ·noun 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.