burning bush (Noun) — (Old Testament) the bush that burned without being consumed and from which God spoke to Moses.
burning bush (Noun) — Deciduous shrub having purple capsules enclosing scarlet seeds.
burning bush (Noun) — Eurasian perennial herb with white flowers that emit flammable vapour in hot weather.
burning bush (Noun) — Densely branched Eurasian plant; foliage turns purple-red in autumn.