Then purged with euphrasy and rue The visual nerve, for he had much to see. (milton) They [the exorcists] are to try the devil by holy water, incense, sulphur, rue, which from thence, as we suppose, came to be called herb of grace. (Jer. Taylor)
2. Bitterness; disappointment; grief; regret. Goat's rue. See goat. Rue anemone, a pretty springtime flower (Thalictrum anemonides) common in the united states. Wall rue, a little fern (Asplenium Ruta-muraria) common on walls in Europe.
Origin: F. Rue, L. Ruta, akin to Gr.; cf. AS. Rde.