"Portcullis" is a word in ENGLISH

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.

To obstruct with, or as with, a portcullis; to shut;
to bar.

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.