Source : Webster's Revised Unabridged Dictionary (1913)

Euphrasy \Eu"phra*sy\, n. [NL. euphrasia, fr. Gr. ? delight, fr.
   ? to delight; ? well + ? heart, mind: cf. LL. eufrasia, F.
   eufrasie.] (Bot.)
   The plant eyesight ({euphrasia officionalis}), formerly
   regarded as beneficial in disorders of the eyes.

         Then purged with euphrasy and rue The visual nerve, for
         he had much to see.                      --Milton.