D defs.my
Entry 2 senses Webster, 1913

Guaiacum

· Gua·ia·cum · IPA /ˈɡwaɪəkəm/
01 n. A genus of small, crooked trees, growing in tropical America.
  1. 1.
    A genus of small, crooked trees, growing in tropical America.(Bot.)
  2. 2.
    The heart wood or the resin of the Guaiacum officinale or lignum-vitæ, a large tree of the West Indies and Central America. It is much used in medicine.