A garden herb (Ruta graveolens) which the Pharisees were careful to tithe (Luke 11:42), neglecting weightier matters. It is omitted in the parallel passage of Matthew 23:23. There are several species growing wild in Palestine. It is used for medicinal and culinary purposes. It has a powerful scent, and is a stimulant. (see MINT.)

Noah Webster's New International Dictionary of the English Language

1. (v. t.) To lament; to regret extremely; to grieve over; as to rue the day....

2. (n.) A perennial suffrutescent plant (Ruta graveolens), having a strong, heavy odor and a bitter taste; herb of grace. It is used in medicine.

3. (n.) Fig.: Bitterness; disappointment; grief; regret.

4. (v. t.) To cause to grieve; to afflict.

5. (v. t.) To repent of, and withdraw from, as a bargain; to get released from.

6. (v. i.) To have compassion.

7. (v. i.) To feel sorrow and regret; to repent.

8. (v. t.) Sorrow; repentance.