[1] : The Collaborative International Dictionary of English v.0.48

eyas \ey`as\, n. f.niais fresh from the nest, a derivative fr.
   l. nidus nest. e. an eyas for a nias. see nest, and cf.
   nias, jashawk. zo"ol.
   a nesting or unfledged bird; in falconry, a young hawk from
   the nest, not able to prey for itself. --shak j. h. walsh
   1913 webster
see also:
nest nias jashawk 

[2] : The Collaborative International Dictionary of English v.0.48

eyas \ey"as\, a.
   unfledged, or newly fledged. obs.
   1913 webster

         like eyas hawk up mounts unto the skies,
         his newly budded pinions to assay.       --spebser.
   1913 webster

[3] : WordNet (r) 2.0

eyas
     n : an unfledged or nestling hawk

Eyas >> E Words
Eyas, definition of term: Eyas
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