Wa·hoo n. Any of various American trees or shrubs; specif.: (a) A certain shrub (Evonymus atropurpureus) having purple capsules which in dehiscence expose the scarlet-ariled seeds; -- called also burning bush. (b) Cascara buckthorn. (c) Basswood.
  Burn·ing, a.
  1. That burns; being on fire; excessively hot; fiery.
  2. Consuming; intense; inflaming; exciting; vehement; powerful; as, burning zeal.
     Like a young hound upon a burning scent.   --Dryden.
  Burning bush Bot., an ornamental shrub (Euonymus atropurpureus), bearing a crimson berry.
  burning bush
       n 1: (Old Testament) the bush that burned without being consumed
            and from which God spoke to Moses
       2: deciduous shrub having purple capsules enclosing scarlet
          seeds [syn: wahoo, Euonymus atropurpureus]
       3: Eurasian perennial herb with white flowers that emit
          flammable vapor in hot weather [syn: fraxinella, dittany,
           gas plant, Dictamnus alba]
       4: densely branched Eurasian plant; foliage turns purple-red in
          autumn [syn: summer cypress, fire bush, fire-bush, belvedere,
           Bassia scoparia, Kochia scoparia]