Definition of guaiacum in English:


Syllabification: guai·a·cum
Pronunciation: /ˈɡwīəkəm


1An evergreen tree of the Caribbean and tropical America, formerly important for its hard, heavy, oily timber but now scarce. Also called lignum vitae.
  • Guaiacum officinale and G. sanctum, family Zygophyllaceae
More example sentences
  • The Hapsburg Charles V also controlled Spain and, consequently, all shipping to and from Hispaniola, where the guaiacum tree grew.
  • In the United States the guaiacum is grown for decorative purposes in Florida and California.
  • There are natural concentrations of white and red fern leaf acacias in this Province, along with guaiacums, locust trees, itínes and white sages.
1.1 another term for guaiac.
More example sentences
  • And guaiacum is used by herbalists today.
  • In the early 16 th-century a ‘wonder drug’, guaiacum, from the Americas, was discovered, and thought to cure syphilis.
  • In 1519 the German humanist Ulrich von Hutton wrote a treatise on guaiacum, a new wonder drug from the Americas that was believed to cure syphilis.


mid 16th century: modern Latin, via Spanish from Taino guayacan.

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cause (someone) to lose confidence or hope