English edit

Etymology edit

club +‎ root

Noun edit

clubroot (countable and uncountable, plural clubroots)

 
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  1. (phytopathology) A common disease of cabbages, radishes, turnips, and other plants of the Cruciferae, caused by Plasmodiophora brassicae, in which galls form on latent roots, rendering them clublike.
    Synonym: finger-and-toe
  2. A root thus affected.