guaiacum

/ˈg(w)aɪəkəm/
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Definitions of guaiacum
  1. noun
    hard greenish-brown wood of the lignum vitae tree and other trees of the genus Guaiacum
    synonyms: guaiac, lignum vitae
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    type of:
    wood
    the hard fibrous lignified substance under the bark of trees
  2. noun
    medicinal resin from the lignum vitae tree
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    type of:
    natural resin
    a plant exudate
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