WordReference Random House Unabridged Dictionary of American English © 2026
tha•la•mi•um
(thə lā′mē əm),USA pronunciation n., pl. -mi•a
-
(-mē ə).USA pronunciation
- Antiquitythalamus (def. 3).
- Neo-Latin, diminutive of thalamus; see -ium
'thalamium' also found in these entries (note: many are not synonyms or translations):