Word Study
thalamus
CIDE DICTIONARY
thalamus, n. [L. thalamus chamber, Gr. qa`lamos.].
- A mass of nervous matter on either side of the third ventricle of the brain; -- called also
optic thalamus . [1913 Webster] - Same as Thallus. [1913 Webster]
OXFORD DICTIONARY
thalamus, n. (pl. thalami)
1 Anat. either of two masses of grey matter in the forebrain, serving as relay stations for sensory tracts.
2 Bot. the receptacle of a flower.
3 Gk Antiq. an inner room or women's apartment.
1 Anat. either of two masses of grey matter in the forebrain, serving as relay stations for sensory tracts.
2 Bot. the receptacle of a flower.
3 Gk Antiq. an inner room or women's apartment.
Derivative
thalamic adj. (in senses 1 and 2).
Etymology
L f. Gk thalamos
For further exploring for "thalamus" in Webster Dictionary Online