ostensorium

noun

"ostensorium" is a 11-letter English headword indexed on PlainSpell.

The verdict

“ostensorium” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency English
11
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - An ostensory, or monstrance.

Corpus desk

Index EN-ostensorium · ostensorium · English

ostensorium · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 11 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "O" thin
  • PHOTO-UNK Peer pending

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Key facts for ostensorium
PropertyValue
Headwordostensorium
LanguageEnglish
Part of speechNoun
Letters11
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “ostensorium” in English

ostensoriumranks outside the top 100,000 English headwords, in the long tail of specialist, archaic, or seldom-used vocabulary, exactly the territory where a reader stops mid-sentence to double-check spelling.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

ostensorium is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "An ostensory, or monstrance.".

No misspelling variants are generated for ostensorium in our index, since its letter sequence doesn't invite the usual edit-distance slips. It is not paired with a close-neighbour confusable in our dataset, since no other headword is close enough in sound or shape to pair with it.

Our source data has no etymology on file for this entry, so its spelling is easiest explained by how it's pronounced rather than where it came from. The correct English form is ostensorium, spelled O-S-T-E-N-S-O-R-I-U-M.

Definition

  1. 1
    An ostensory, or monstrance.

Recorded use

Wiktionary example

These source excerpts show how ostensorium appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. In the cemetery, the ostensorium, also known as a monstrance, will mark the grave of a member of the clergy. This medieval device is an altar vessel of the Eucharist.

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "ostensorium"?
"ostensorium" is spelled O-S-T-E-N-S-O-R-I-U-M.
What does "ostensorium" mean?
As a noun, "ostensorium" means: An ostensory, or monstrance.
What language does "ostensorium" come from?
"ostensorium" is a English word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list