The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
A tropical African plant (Hibiscus sabdariffa) having flowers with yellow petals and a persistent, bright red calyx that has a pleasantly acid flavor and is used to make jelly and beverages.
Origin: Origin unknown.