vinculum

/ˈvɪŋ.kjə.ləm/

//ˈvɪŋ.kjə.ləm// noun

"vinculum" is a 8-letter English headword indexed on PlainSpell.

The verdict

“vinculum” 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
8
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A bond or tie that unifies.

Key facts for vinculum
PropertyValue
Headwordvinculum
LanguageEnglish
Part of speechNoun
IPA/ˈvɪŋ.kjə.ləm/
Letters8
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “vinculum” sits in English frequency

vinculum 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 vinculum is 8 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ˈvɪŋ.kjə.ləm/. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. Wiktionary records 11 distinct senses for this headword, so context determines which meaning a reader should apply.

Our edit-distance generator produced no likely misspellings for vinculum, since its letter sequence doesn't invite the usual edit-distance slips. We don't track a confusable pairing for this entry, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: From Latin vinculum (“bond, link”), from vinciō (“bind, fetter, tie”) + -ulum. The correct English form is vinculum, spelled V-I-N-C-U-L-U-M.

Definition

  1. 1
    A bond or tie that unifies.
  2. 2
    Any symbol used to group some of the terms in an expression, indicating that that part of the calculation should be done before other parts, or that the Roman numeral underneath should be multiplied by 1,000.
  3. 3
    A horizontal line over the top of some of the terms in an expression, indicating that that part of the calculation is to be done before other parts (in modern mathematical notation confined to use in radicals: √).
  4. 4
    The horizontal line between the numerator and denominator in a fraction.
  5. 5
    A horizontal line placed over one or more digits of a decimal expansion to indicate that those digits repeat indefinitely (the repetend).
  6. 6
    A horizontal line placed over a complex number or expression to denote its complex conjugate.
  7. 7
    A horizontal line drawn over two letters to denote the line segment joining them.
  8. 8
    A horizontal line placed over a symbol or expression to denote logical negation (complement).
  9. 9
    A horizontal line placed over the characteristic (integer part) of a common logarithm to indicate that the characteristic is negative while the mantissa (decimal part) remains positive. Historically used to simplify the use of logarithm tables.
  10. 10
    A ligament that limits the movement of an organ or part.
  11. 11
    A symbol in the shape of an elongated letter "S" (∫) or pair of hooks (⌠⌡) drawn on plans to join non-contiguous sections of land that are to be treated as a single parcel.

Etymology

From Latin vinculum (“bond, link”), from vinciō (“bind, fetter, tie”) + -ulum.

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 "vinculum"?
"vinculum" is spelled V-I-N-C-U-L-U-M. The IPA pronunciation is /ˈvɪŋ.kjə.ləm/.
What does "vinculum" mean?
As a noun, "vinculum" means: A bond or tie that unifies.
How do you pronounce "vinculum"?
The IPA (International Phonetic Alphabet) transcription for "vinculum" is /ˈvɪŋ.kjə.ləm/. 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 "vinculum"?
From Latin vinculum (“bond, link”), from vinciō (“bind, fetter, tie”) + -ulum. 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 “vinculum”

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

  • The one correct English spelling is V-I-N-C-U-L-U-M - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈvɪŋ.kjə.ləm/ (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