1
bank
1
bar
1
rampart
1
scarp
1
stockade
1
weir
1
bunker
1
camouflage
1
casemate
1
circumvallation
1
concealment
1
conduit
1
curtain
1
dam
1
defense
1
door
1
doorway
1
dyke
1
earthwork
1
enclosure
11 years ago|1.5k views|share |citing 
APASmart Define. (2015). portcullis thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/portcullis/thesaurus/synonyms
ChicagoSmart Define. 2015. "portcullis thesaurus" https://smartdefine.org/portcullis/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, portcullis thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/portcullis/thesaurus/synonyms>.
MLASmart Define. "portcullis thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/portcullis/thesaurus/synonyms>