noun Date: 1900 a disease that affects many species of plants and is caused by a bacterium ( Agrobacterium tumefaciens ) which forms tumorous enlargements usually just below the ground on the stem
CROWN GALL
Meaning of CROWN GALL in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012