fovea

from WordNet (r) 3.0 (2006)

fovea
    n 1: area consisting of a small depression in the retina
         containing cones and where vision is most acute [syn:
         {fovea}, {fovea centralis}]

from The Collaborative International Dictionary of English v.0.48

Fovea \Fo"ve*a\, n.; pl. {Fove[ae]}. [L., a small pit.]
   A slight depression or pit; a fossa.
   [1913 Webster]

[email protected]