Culvers root cul·vers·root uncommon noun 1. a tall perennial herb having spikes of small white or purple flowers; common in eastern North America SynonymsCulver's rootCulvers rootCulver's physicCulvers physicwhorlywortVeronicastrum virginicum Related words Broader terms asterid dicot genus Parts Scrophulariaceae WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
