botulism bot·u·lism (bŏch'ə-lĭz'əm)
n.
A severe, sometimes fatal food poisoning caused by ingestion of a toxin produced by the bacterium Clostridium botulinum in improperly canned or preserved food and characterized by nausea, vomiting, disturbed vision, and paralysis.
A severe form of food poisoning, often fatal if not treated quickly. Botulism is caused by a kind of bacterium that produces a toxin, and it is sometimes present in improperly canned or preserved foods.