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claustrum

American  
[klaw-struhm, klou-] / ˈklɔ strəm, ˈklaʊ- /

noun

Anatomy.

plural

claustra

  1. barrier.

Etymology

Origin of claustrum

1840–50; < New Latin; Latin: bolt, barrier, equivalent to claud ( ere ) to close, shut + -trum instrumental suffix; cloister

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.