cephalothorax
/ˌsɛfələˈθɔɹæks/
"cephalothorax" is a 13-letter English headword indexed on PlainSpell.
The verdict
“cephalothorax” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 13
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The fused head and thorax of spiders and crustaceans.
Corpus desk
Index EN-cephalothorax · cephalothorax · English
cephalothorax · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-MEGA 13 letters
- VOW-5 5 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.
| Property | Value |
|---|---|
| Headword | cephalothorax |
| Language | English |
| Part of speech | Noun |
| IPA | /ˌsɛfələˈθɔɹæks/ |
| Letters | 13 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “cephalothorax” in English
Rare enough to double-check
cephalothorax is uncommon English outside the top frequency list, classed as anoun, transcribed /ˌsɛfələˈθɔɹæks/. Rarity is why readers land here mid-draft. Gloss: "The fused head and thorax of spiders and crustaceans.".
cephalothorax has no tracked misspelling variants, a straightforward case of a spelling with little room for common typos. No close-neighbour confusable shows up for this headword in our dataset, a sign it's visually distinctive enough not to be mixed up with another word.
Etymologically, the entry records: From cephalo- + thorax. The correct English form is cephalothorax, spelled C-E-P-H-A-L-O-T-H-O-R-A-X.
Definition
- 1The fused head and thorax of spiders and crustaceans.
Recorded use
Wiktionary exampleThese source excerpts show how cephalothorax appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
"Come in!" says the gray spider to the house-fly; "I have entertained a great many flies. I have plenty of room, fine meals and a gay life. [...] Philosophers have written volumes about my antennae and cephalothorax."
Etymology
From cephalo- + thorax.
This word in other languages
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.