Definition of metathalamus in English:

metathalamus

Pronunciation /ˌmɛtəˈθaləməs/

noun

Anatomy
  • The part of the diencephalon caudal and ventral to the thalamus, consisting of the lateral and medial geniculate bodies.

Origin

Late 19th century; earliest use found in Lewellys Barker (1867–1943). From German Metathalamus from meta- + Thalamus.