black measles
Definition of black measles
1a : hemorrhagic measles b : rocky mountain spotted fever
2 : a disease of grapevines in California of obscure and undetermined cause characterized by black spotting of the skin of the berries and browning and drying up of the leaf tissue between the veins and often developing suddenly and severely, the leaves dropping and the canes dying back from the tips in a few days —called also apoplexy
Explore M-W
There's more!
Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.
Start your free trial today and get unlimited access to America's largest dictionary, with:
- More than 250,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Seen and Heard
What made you want to look up black measles? Please tell us where you read or heard it (including the quote, if possible).
Writing? Check your grammar now!