1. Bible.a bush that “burned with fire and … was not consumed,” from which an angel spoke to Moses. (Ex. 3:2).
2. Also called firebush, summer cypress. a shrubby plant, Kochia scoparia, of the goosefoot family, having dense, feathery foliage that turns red in fall.
3. any of various plants of the genus Euonymus having bright red foliage in autumn.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.