witches-broom

英 ['wɪtʃɪzbr'uːm] 美 ['wɪtʃɪzbr'uːm]

• n. 【植】扫帚病

英英释义

名词 witch broom:

1. an abnormal tufted growth of small branches on a tree or shrub caused by fungi or insects or other physiological disturbance