Dictionary.com Thesaurus.com

epithalamus

American

[ep-uh-thal-uh-muhs] / ˌɛp əˈθæl ə məs /

noun

Anatomy.

PLURAL

epithalami

the dorsal area of the diencephalon containing a habenula and the pineal gland.

Etymology

Origin of epithalamus

From New Latin, dating back to 1900–05; epi-, thalamus

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.