2
opening(scratch, wound, slash, laceration, incision)
2
parapet(noun, cover, position, guard, shield)
2
plow(verb, dig)
2
rabbet(noun, verb, remove, mark, line)
2
rampart(noun, cover, position, guard, shield)
2
rent(scratch, wound, slash, laceration, incision)
2
revetment
2
safeguard(noun, cover, position, guard, shield)
2
sap
2
scoop
2
scoop out(verb, expression, phrasal verb)
2
shaft(noun, supply, reserve, well, hole)
2
shovel
2
slit(noun, mark, line, scratch, wound)
2
sluice(noun, conduit)
2
spade
2
squeeze in(verb, expression, phrasal verb, business, interfere)
2
sunk fence(expression, idiom, defense)
2
tube(noun, ditch)
2
tunnel
11 years ago|13k views|share |citing 
APASmart Define. (2015). trench thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/trench/thesaurus/synonyms
ChicagoSmart Define. 2015. "trench thesaurus" https://smartdefine.org/trench/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, trench thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/trench/thesaurus/synonyms>.
MLASmart Define. "trench thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/trench/thesaurus/synonyms>