#1 rue n. [herb of grace, Ruta graveolens] European strong-scented perennial herb with grey-green bitter-tasting leaves; an irritant similar to poison ivy. wn
#2 rue v. [repent, regret] feel remorse for; feel sorry for; be contrite about. wn
#3 rue n. leaves sometimes used for flavoring fruit or claret cup but should be used with great caution: can cause irritation like poison ivy. wn
#4 rue n. [sorrow, regret, ruefulness] sadness associated with some wrong done or some disappointment; "he drank to drown his sorrows"; "he wrote a note expressing his regret"; "to his rue, the error cost him the game". wn
#5 rue n. (French) a street or road in France. wn
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