Meaning of lathyrism

lath•y•rism

Pronunciation: (lath'u-riz"um), [key]
— n. Pathol.
  1. a disorder of humans and domestic animals caused by ingestion of the seeds of some legumes of the genus Lathyrus and marked by spastic paralysis and pain.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.