Search Result for "crown gall":
Wordnet 3.0

NOUN (1)

1. a bacterial disease of plants (especially pome and stone fruits and grapes and roses) which forms excrescences on the stem near the ground; 



WordNet (r) 3.0 (2006):

crown gall
    n 1: a bacterial disease of plants (especially pome and stone
         fruits and grapes and roses) which forms excrescences on
         the stem near the ground