Sorrel (noun)

1. A horse of a reddish-brown color.
2. A herb of the dock family, with sour-tasting leaves used in salads and as a culinary herb, typically Rumex acetosa or R. acetosella.

Origin:

From middle english soril, from old french surel, from vulgar latin *sūrella, from latin sūrculus ("little twig, shoot").

Examples:

1. The sorrel horse pranced around the ring, its reddish-brown coat shining in the sun.
2. Sorrel leaves make a refreshing addition to a salad, providing a tangy contrast to the sweeter greens.
3. Sorrel soup is a traditional dish in some European countries, and is typically made with the leaves of the plant.
4. The sorrel plant is a perennial, and the leaves can be harvested throughout the growing season.
5. The sorrel herb is rich in vitamins and minerals, and is a good source of iron.