1.
[syn: Culver's root, Culvers root, Culver's physic, Culvers physic, whorlywort, Veronicastrum virginicum]
The Collaborative International Dictionary of English v.0.48:
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.]
WordNet (r) 3.0 (2006):
Culvers physic
n 1: 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]