vault toilet

noun

A facility for accepting human waste, typically through personal use via urination and defecation, where the waste is directed into an extractable vault tank below the access port used by the person needing facilities. When reaching capacity, the vault is removed from underground and moved to a region with a sewage processing system, where it is emptied, to be reimplanted later. Vault toilets typically take the form of an outhouse.

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Meanings

nounvault toilet (plural vault toilets)

plural vault toilets

  1. A facility for accepting human waste, typically through personal use via urination and defecation, where the waste is directed into an extractable vault tank below the access port used by the person needing facilities. When reaching capacity, the vault is removed from underground and moved to a region with a sewage processing system, where it is emptied, to be reimplanted later. Vault toilets typically take the form of an outhouse.
Cite this entry
APA

vault toilet. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/vault%20toilet

MLA

“vault toilet.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/vault%20toilet. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “vault toilet,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/vault%20toilet.

Source: vault toilet on Wiktionary, CC BY-SA 4.0.