Meaning of psorosis

pso•ro•sis

Pronunciation: (su-rō'sis), [key]
— n. Plant Pathol.
  1. a disease of citrus trees, characterized by a scaly, rough bark, yellow-flecked leaves, and stunting, caused by a virus.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.