Noun black haw has 2 senses
  1. false buckthorn, chittamwood, chittimwood, shittimwood, black haw, Bumelia lanuginosa - deciduous tree of southeastern United States and Mexico
    --1 is a kind of buckthorn
  2. black haw, Viburnum prunifolium - upright deciduous shrub having frosted dark-blue fruit; east and east central North America
    --2 is a kind of shrub, bush
    --2 is a member of Viburnum, genus Viburnum
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