cat-o'-nine-tails

noun

"cat-o-nine-tails" is a 13-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
17
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A scourge (multi-tail whip) having nine, often knotted, whipcords, formerly used for flogging as naval punishment.

Corpus desk

Index EN-cat-o-nine-tails · cat-o'-nine-tails · English

cat-o'-nine-tails · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 17 letters
  • VOW-6 6 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 cat-o'-nine-tails
PropertyValue
Headwordcat-o'-nine-tails
LanguageEnglish
Part of speechNoun
Letters17
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “cat-o'-nine-tails” in English

cat-o'-nine-tailsranks 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

cat-o'-nine-tails is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. 2 senses are on record.

cat-o'-nine-tails doesn't appear in our generated misspelling index, a sign its spelling follows regular English conventions. This headword has no recorded confusable partner, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Etymologically, the entry records: From cat + o' + nine + tails, cat referring to the inflicted wounds resembling the scratches of a cat. First attested in 1695. The correct English form is cat-o'-nine-tails, spelled C-A-T---O-'---N-I-N-E---T-A-I-L-S.

Definition

  1. 1
    A scourge (multi-tail whip) having nine, often knotted, whipcords, formerly used for flogging as naval punishment.
  2. 2
    A similarly constructed leather nine-tail whip, as used in British penal colonies and certain armies.

Recorded use

Wiktionary example

These source excerpts show how cat-o'-nine-tails appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. But I do tell you one thing, if you ſhould give ſuch Language at Sea, you'd have a Cat o' Nine-tails laid croſs your Shoulders.

Etymology

From cat + o' + nine + tails, cat referring to the inflicted wounds resembling the scratches of a cat. First attested in 1695.

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.

Frequently Asked Questions

How do you spell "cat-o'-nine-tails"?
"cat-o'-nine-tails" is spelled C-A-T---O-'---N-I-N-E---T-A-I-L-S.
What does "cat-o'-nine-tails" mean?
As a noun, "cat-o'-nine-tails" means: A scourge (multi-tail whip) having nine, often knotted, whipcords, formerly used for flogging as naval punishment.
What is the origin of the word "cat-o'-nine-tails"?
From cat + o' + nine + tails, cat referring to the inflicted wounds resembling the scratches of a cat. First attested in 1695. See the full etymology section above for more details.
Is PlainSpell free to use?
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Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list