2
guardrail
2
handrail
2
outwork(noun, support, fortification, embankment, mainstay)
2
portcullis
2
protection(noun, support, cover, position, guard)
2
redoubt(noun, support, cover, position, guard)
2
scarp
2
vallum
1
advanced work
1
arch dam
1
backbone(support, point, range, edge, fold)
1
backstop
1
bamboo curtain
1
banisters
1
banquette
1
bar
1
barbed-wire entanglement
1
barrage
1
bartizan
1
battlements
11 years ago|4.5k views|share |citing 
APASmart Define. (2015). parapet thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/parapet/thesaurus/synonyms
ChicagoSmart Define. 2015. "parapet thesaurus" https://smartdefine.org/parapet/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, parapet thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/parapet/thesaurus/synonyms>.
MLASmart Define. "parapet thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/parapet/thesaurus/synonyms>