The Collaborative International Dictionary of English v.0.48:
gipsywort \gipsywort\ n. A hairy Eurasian herb (Lycopus europaeus) with two-lipped white flowers. Syn: gypsywort, Lycopus europaeus. [WordNet 1.5]WordNet (r) 3.0 (2006):
gipsywort n 1: hairy Eurasian herb with two-lipped white flowers [syn: gipsywort, gypsywort, Lycopus europaeus]