calvarium

/kælˈvɛəɹi.əm/

//kælˈvɛəɹi.əm// noun

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

The verdict

“calvarium” is outside the top-ranked English vocabulary, used as a noun - the kind of word writers most often double-check.

Unranked
below top-frequency English
9
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The upper, domelike portion of the skull (without the lower jaw).

Key facts for calvarium
PropertyValue
Headwordcalvarium
LanguageEnglish
Part of speechNoun
IPA/kælˈvɛəɹi.əm/
Letters9
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “calvarium” sits in English frequency

calvarium falls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

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

Spelling & Dictionary Insight

The English entry for calvarium is 9 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /kælˈvɛəɹi.əm/. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. The dominant gloss from Wiktionary reads: "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).

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.

Using “calvarium”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is C-A-L-V-A-R-I-U-M - every other letter order is a misspelling in standard orthography.
  • Say it as /kælˈvɛəɹi.əm/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more English words and confusable pairs in the same reference. English words
Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list