PORTCULLIS is validvalid

[n PORTCULLISES]

136,832 of 196,601 in NWL2023·also valid in CSW24

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 [n -ES] / to obstruct as with a portcullis [v -ED, -ING, -ES]