Word.ws English Dictionary

claustrum

UK/ˈklɔːstɹəm/

claustrum noun: a thin, irregular sheet of grey matter underneath the inner part of the neocortex on both sides of the brains of mammals; its exact function is not understood, but it is believed to facilitate coordination between senses.

Noun

claustrum (plural claustra)

  1. A thin, irregular sheet of grey matter underneath the inner part of the neocortex on both sides of the brains of mammals; its exact function is not understood, but it is believed to facilitate coordination between senses
    • For quotations using this term, see Citations:claustrum.

Forms of claustrum

pluralclaustra

Origin of claustrum

Unadapted borrowing from Latin claustrum (“a bolt, bar”). Doublet of cloister.

Questions about claustrum

What does claustrum mean?
Claustrum means a thin, irregular sheet of grey matter underneath the inner part of the neocortex on both sides of the brains of mammals; its exact function is not understood, but it is believed to facilitate coordination between senses.
What part of speech is claustrum?
Claustrum is a noun.
How do you pronounce claustrum?
Claustrum is pronounced /ˈklɔːstɹəm/ (UK).
What is the plural of claustrum?
The plural of claustrum is claustra.

Words near claustrum in the dictionary

  1. claustrophobiacs
  2. claustrophobias
  3. claustrophobic
  4. claustrophobically
  5. claustrophobics
  6. claustrum
  7. clausula
  8. clausulae
  9. clausular
  10. clausure
  11. claut

Source and license

Adapted from Wiktionary: claustrum (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “claustrum.” Word.ws, https://word.ws/claustrum. Based on Wiktionary, CC BY-SA 4.0.