Source : Webster's Revised Unabridged Dictionary (1913)

Eatage \Eat"age\ (?; 48), n.
   Eatable growth of grass for horses and cattle, esp. that of
   aftermath.

Source : WordNet®

eatage
     n : animal food for browsing or grazing [syn: {forage}, {pasture},
          {pasturage}, {grass}]