portcullis

A grating of iron or wooden bars or slats, suspended in the gateway of a fortified place and lowered to block passage.

To arm or furnish with a portcullis; hence, to bar; obstruct.

In fortification, a strong grating of timber or iron, somewhat resembling a harrow, made to slide in vertical grooves in the jambs of the entrance-gate of a fortified place, to protect the gate in case of assault.

In heraldry: Same as lattice

The representation of a portcullis: a rare bearing, but familiar in English art of the fifteenth century from its adoption as a badge by the Tudors and in the city arms of Westminster.

One of the pursuivants of the English College of Heralds: so called from his distinctive badge.

A coin struck in the reign of Queen Elizabeth, with a portcullis stamped 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.

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.