Definition of "sorrel" [sor•rel]

• Any of several plants of the genus Rumex, having acid-flavored leaves sometimes used as salad greens, especially R. acetosella, a widely naturalized Eurasian species. Also called dock4. (noun)
• Any of various plants of the genus Oxalis, having usually compound leaves with three leaflets. (noun)
• A brownish orange to light brown. (noun)
• A sorrel-colored horse or other animal. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Jones, who affected to be surprised at nothing after his crushing experience with railroad freight rates on firweood and charcoal, betrayed no surprise now when the task was given to him to locate the purchaser of a certain sorrel mare."
• "Last year’s sorrel is regrowing in the back yard, as slug-eaten as ever, but still lemony-sharp."
• "I learned from my co-author of my second cookbook out in October through Lake Isle Press that Jamaicans call it sorrel and combine it with other herbs, roots, spices and cane sugar to make a delicious beverage."