Webster's Revised Unabridged Dictionary · 1913

Ergotism

Ergotism , noun

[French ergotisme, from Latin ergo.]

A logical deduction. [Obsolete] — Sir T. Browne

Ergotism , noun

[From Ergot, n.; compare French ergotisme.]

(Medicine) A diseased condition produced by eating rye affected with the ergot fungus.