A logical deduction.
The usage of ergot infested grain to poison animals.
The effect of long-term ergot poisoning, traditionally due to the ingestion of the alkaloids produced by the fungus Claviceps purpurea which infects rye and other cereals, and more recently by the action of a number of ergoline-based drugs, consisting of convulsive and gangrenous symptoms.
The plant disease caused by ergot.
The act of inferring or concluding, especially from a set of premises; a conclusion, a deduction.