1. A spot or blot; a splotch.
2. A discoloration on the skin; a blemish.
3. Any of several plant diseases caused by fungi or bacteria and resulting in brown or black dead areas on leaves or fruit.
tr. & intr.v. blotched, blotch·ing, blotch·es
To mark or become marked with blotches.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 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:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.