'Culver's root' definitions:
Definition of 'Culver's root'
From: WordNet
noun
A tall perennial herb having spikes of small white or purple flowers; common in eastern North America [syn: Culver's root, Culvers root, Culver's physic, Culvers physic, whorlywort, Veronicastrum virginicum]
Definition of 'Culver's root'
From: GCIDE
- Culver's physic \Cul"ver's phys"ic\, or Culver's root \Cul"ver's root`\ [So called after a Dr. Culver, who used it.] (Bot.) The root of a handsome erect herb (Leptandra Virginica syn. Veronica Virginica) common in most moist woods of North America, used as an active cathartic and emetic; also, the plant itself. [Webster 1913 Suppl.]