#gumwood__gum  wood or lumber from any of various gum trees especially the sweet gum
  supertype:  wood  the hard fibrous lignified substance under the bark of trees
  substance of:  gum_tree
  subtype:  satin_walnut__satinwalnut__sweetgum__hazelwood__red_gum__redgum  reddish-brown wood and lumber from heartwood of the sweet gum tree used to make furniture

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