Word Study
Uvea
CIDE DICTIONARY
Uvea, n. [NL., fr. L. uva grape.].
The posterior pigmented layer of the iris; -- sometimes applied to the whole iris together with the choroid coat. [1913 Webster]
OXFORD DICTIONARY
Uvea, n. the pigmented layer of the eye, lying beneath the outer layer.
Etymology
med.L f. L uva grape
For further exploring for "Uvea" in Webster Dictionary Online