1
bamboo curtain
1
banquette
1
barbed-wire entanglement
1
bartizan
1
bear-trap dam
1
beaver dam
1
blockhouse(noun, support, keep, defense, fortification)
1
boom
1
brick wall
1
buffer
1
bulkhead
1
casemate
1
castle(noun, keep, defense, fortification, cell)
1
cheval-de-frise
1
circumvallation
1
cofferdam
1
contravallation
1
counterscarp
1
curtain
1
demibastion
11 years ago|2.1k views|share |citing 
APASmart Define. (2015). earthwork thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/earthwork/thesaurus/synonyms
ChicagoSmart Define. 2015. "earthwork thesaurus" https://smartdefine.org/earthwork/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, earthwork thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/earthwork/thesaurus/synonyms>.
MLASmart Define. "earthwork thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/earthwork/thesaurus/synonyms>