The Collaborative International Dictionary of English v.0.48:
arrow-wood \arrow-wood\ n.
   1. any plant (Viburnum recognitum) closely related to
      southern arrow wood; eastern U.S. Maine to Ohio and
      Georgia.
   Syn: arrow wood.
        [WordNet 1.5]
The Collaborative International Dictionary of English v.0.48:
Arrowwood \Ar"row*wood`\, n.
   1. A shrub (Viburnum dentatum) growing in damp woods and
      thickets; -- so called from the long, straight, slender
      shoots. Also, any of several other similar small trees
      whose straight shoots were used for making arrows.
      [1913 Webster]