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Meaning of citrus canker

cit'rus can"ker

Pronunciation: [key]
— Plant Pathol. Plant Pathol.
  1. a disease of citrus trees caused by the bacterium Xanthomonas citri, characterized by spongy eruptions on leaves and fruit.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.