Source : Webster's Revised Unabridged Dictionary (1913)

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

Source : WordNet®

fovea
     n : area consisting of a small depression in the retina
         containing cones and where vision is most acute [syn: {fovea
         centralis}]
     [also: {foveae} (pl)]