Dictionary
club•root
Pronunciation: (klub'rOOt", -root"), [key]—
n.
Plant Pathol.a disease of cabbage and other cruciferous plants, characterized by enlarged, malformed roots, caused by a slime mold,
Plasmodiophora brassicae.Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.