Definition of "ergot"
noun:
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Any fungus in the genus Claviceps which are parasitic on grasses.
from Wiktionary, Creative Commons Attribution/Share-Alike License -
The sclerotium (wintering stage) of certain fungi in the genus Claviceps, appearing as a deformed grain in certain cereals and grasses infected by the fungi.
from Wiktionary, Creative Commons Attribution/Share-Alike License
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