chambered nautilus

noun

"chambered-nautilus" is a 17-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
18
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A marine mollusc, of the family Nautilidae native to the Pacific Ocean and Indian Ocean, which has tentacles and a spiral shell with a series of air-filled chambers.

Key facts for chambered nautilus
PropertyValue
Headwordchambered nautilus
LanguageEnglish
Part of speechNoun
Letters18
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “chambered nautilus” sits in English frequency

chambered nautilus 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.

Rare enough to double-check

chambered nautilus is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. 2 senses are on record.

No generated misspelling entries exist for chambered nautilus in our index, since its letter pattern doesn't lend itself to common typo substitutions. Our dataset records no confusable match here, a sign it's visually distinctive enough not to be mixed up with another word.

This entry carries no recorded etymology, so its spelling is best read as a straightforward mapping from sound to letter. The correct English form is chambered nautilus, spelled C-H-A-M-B-E-R-E-D- -N-A-U-T-I-L-U-S.

Definition

  1. 1
    A marine mollusc, of the family Nautilidae native to the Pacific Ocean and Indian Ocean, which has tentacles and a spiral shell with a series of air-filled chambers.
  2. 2
    A nautilus of species Nautilus pompilius.

Synonyms

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 "chambered nautilus"?
"chambered nautilus" is spelled C-H-A-M-B-E-R-E-D- -N-A-U-T-I-L-U-S.
What does "chambered nautilus" mean?
As a noun, "chambered nautilus" means: A marine mollusc, of the family Nautilidae native to the Pacific Ocean and Indian Ocean, which has tentacles and a spiral shell with a series of air-filled chambers.
What language does "chambered nautilus" come from?
"chambered nautilus" 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.

Using “chambered nautilus”

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

  • The one correct English spelling is C-H-A-M-B-E-R-E-D- -N-A-U-T-I-L-U-S - every other letter order is a misspelling in standard orthography.
  • 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