A type of wheat (Triticum monococcum syn. T. monococcum subsp. monococcum) typically having one grain per spikelet, grown in semiarid regions. It was domesticated by Neolithic peoples in the Near East and is now cultivated in Europe and southwest Asia.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
The American Heritage Dictionary Blog
Check out our blog, updated regularly, for new words and revised definitions, interesting images from the 5th edition, discussions of usage, and more.