calvarium

/kælˈvɛəɹi.əm/

//kælˈvɛəɹi.əm// noun

"calvarium" is a 9-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
9
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The upper, domelike portion of the skull (without the lower jaw).

Corpus desk

Index EN-calvarium · calvarium · English

calvarium · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 9 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "C" 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 calvarium
PropertyValue
Headwordcalvarium
LanguageEnglish
Part of speechNoun
IPA/kælˈvɛəɹi.əm/
Letters9
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “calvarium” in English

calvariumsits beyond the 100,000 most-frequent English words, in the long tail of technical, archaic, or otherwise rare vocabulary where spelling doubt tends to strike hardest.

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

Rare enough to double-check

calvarium is uncommon English outside the top frequency list, classed as anoun, transcribed /kælˈvɛəɹi.əm/. Rarity is why readers land here mid-draft. Gloss: "The upper, domelike portion of the skull (without the lower jaw).".

No generated misspelling entries exist for calvarium in our index, a straightforward case of a spelling with little room for common typos. No close-neighbour confusable shows up for this headword in our dataset, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: From Latin calvāria (“skull”), from calva, from calvus (“bald”). The correct English form is calvarium, spelled C-A-L-V-A-R-I-U-M.

Definition

  1. 1
    The upper, domelike portion of the skull (without the lower jaw).

Recorded use

Wiktionary example

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

  1. He turns up the skull between his hands. His fingers explore the calvarium. They emerge through the battered eye sockets.

Etymology

From Latin calvāria (“skull”), from calva, from calvus (“bald”).

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 "calvarium"?
"calvarium" is spelled C-A-L-V-A-R-I-U-M. The IPA pronunciation is /kælˈvɛəɹi.əm/.
What does "calvarium" mean?
As a noun, "calvarium" means: The upper, domelike portion of the skull (without the lower jaw).
How do you pronounce "calvarium"?
The IPA (International Phonetic Alphabet) transcription for "calvarium" is /kælˈvɛəɹi.əm/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "calvarium"?
From Latin calvāria (“skull”), from calva, from calvus (“bald”). See the full etymology section above for more details.
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