1
keep(noun, defense, fortification, cell, stronghold)
1
leaping weir
1
log jam
1
logjam
1
loophole
1
lunette
1
machicolation
1
mantelet
1
merlon
1
milldam
1
moat
1
palisade
1
portcullis
1
postern gate
1
presidio(noun, support, keep, defense, fortification)
1
protection(noun, support, defense, fortification, barricade)
1
ravelin
1
redan
1
reinforced position
1
roadblock
11 years ago|2.1k views|share |citing 
APASmart Define. (2015). earthwork thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/earthwork/thesaurus/synonyms
ChicagoSmart Define. 2015. "earthwork thesaurus" https://smartdefine.org/earthwork/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, earthwork thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/earthwork/thesaurus/synonyms>.
MLASmart Define. "earthwork thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/earthwork/thesaurus/synonyms>