noun · 3 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
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Received-Pronunciation:/ˌnɛsɪˈsɛəɹɪəm/
Received-Pronunciation:/ˌnɛsɪˈsɑːɹɪəm/
General-American:/ˌnɛsɪˈsɛɹi.əm/
US:Recorded audio is listed in the source snapshot.
rhymes with -ɛəɹiəm
1
noun
Meaning 1
Synonym of reredorter: a monastery's latrine, outhouse, or lavatory, typically located behind the dormitory.
Definition source: English Wiktionary via Wiktextract
Topics: architecture
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: reredorter
Antonyms: none provided
2
noun
Meaning 2
A lavatory.
Definition source: English Wiktionary via Wiktextract
Usage: capitalized, humorous, sometimes
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
noun
Meaning 3
Alternative form of necessarium.
Definition source: English Wiktionary via Wiktextract
Usage: alt-of, alternative
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
History
Etymology
From Latin necessarium (“reredorter; outhouse”), from necesse (“unavoidable or necessary [thing]”) + -ārium (“-arium, -ium: forming locations”).