sugar beet also sug·ar·beet (shgər-bēt′)
1. A variety of beet that is widely cultivated in temperate regions for its fleshy white roots, which are a chief commercial source of sugar.
2. One of these roots.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2019 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
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