a rutaceous shrub, Dictamnus fraxinella, of S Europe and Asia, whose glands release a volatile inflammable oil that can burn without harming the plant: identified as the bush from which God spoke to Moses (Exodus 3:2–4)
2.
any of several shrubs or trees, esp the wahoo, that have bright red fruits or seeds
3. another name for gas plant
4.
any of several plants, esp kochia, with a bright red autumn foliage
5. Old Testament
the bush that burned without being consumed, from which God spoke to Moses (Exodus 3:2–4)
burning bush in American English
1. US
any of several American shrubs (genus Euonymus) of the staff-tree family, having brilliant red fruits or leaves