Definition of god-bush in US English:

god-bush

(also gad-bush)

noun

Jamaican
  • Originally: any of various tropical American mistletoes. In later use also: any of several other parasitic plants, including dodders (Cuscuta species) and the Eurasian mistletoe Viscum album.

Origin

Mid 19th century. From god + bush, so called on account of its (apparently miraculous) property of growing without being rooted in the ground.

Pronunciation

god-bush

/ˈɡɒdbʊʃ/