# necessarium

> English word · Noun · IPA /ˌnɛsɪˈsɛəɹɪəm/

## Definitions
1. Synonym of reredorter: a monastery's latrine, outhouse, or lavatory, typically located behind the dormitory.
2. A lavatory.

## Etymology
From Latin necessarium (“reredorter; outhouse”), from necesse (“unavoidable or necessary [thing]”) + -ārium (“-arium, -ium: forming locations”).

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/necessarium