Sorrel

Webster's Dictionary of the English Language

·noun A yellowish or redish brown color.

II. Sorrel ·adj Of a yellowish or redish brown color; as, a sorrel horse.

III. Sorrel ·noun One of various plants having a sour juice; especially, a plant of the genus Rumex, as Rumex Acetosa, Rumex Acetosella, ·etc.