black·​heart ˈblak-ˌhärt How to pronounce blackheart (audio)
: a plant disease in which the central tissues blacken

Word History

First Known Use

1862, in the meaning defined above

Time Traveler
The first known use of blackheart was in 1862

Dictionary Entries Near blackheart

Cite this Entry

“Blackheart.” Dictionary, Merriam-Webster, Accessed 14 Apr. 2024.

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