D defs.my
Entry 1 sense Webster, 1913

gumweed

· IPA
01 n. any of various Western American plants of the genus Grindelia having resinous leaves and stems formerly used medicinally; often poisonous tâ€Ĥ
  1. 1.
    any of various Western American plants of the genus Grindelia having resinous leaves and stems formerly used medicinally; often poisonous to livestock.