Hemlock

n.
  1. (Bot.) The name of several poisonous umbelliferous herbs having finely cut leaves and small white flowers, as the Cicuta maculata, Cicuta bulbifera, and Cicuta virosa, and the Conium maculatum. See Conium.
  2. (Bot.) An evergreen tree common in North America (Abies Canadensis or Tsuga Canadensis); hemlock spruce.
  3. The wood or timber of the hemlock tree.
    4. Ground hemlock, or Dwarf hemlock .
    See under Ground.