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.
© Webster 1913.