| grindelia | (n) large genus of coarse gummy herbs of western North and Central America, Syn. genus Grindelia |
| grindelia robusta | (n) perennial gumweed of California and Baja California |
| Grindelia | ‖n. [ NL. Named after D. H. Grindel, a Russian. ] (Med.) The dried stems and leaves of tarweed ( |