The Collaborative International Dictionary
Gypsywort \Gyp"sy*wort`\ (j[i^]p"s[i^]*w[^u]rt`), n. (Bot.) A labiate plant (the Lycopus Europ[ae]us). Gypsies are said to stain their skin with its juice.
gipsywort \gipsywort\ n. A hairy Eurasian herb ( Lycopus europaeus) with two-lipped white flowers.
Syn: gypsywort, Lycopus europaeus.
Wikipedia
Lycopus europaeus, common names gypsywort, gipsywort, bugleweed, European bugleweed and water horehound, is a perennial plant in the Lycopus genus, native to Europe and Asia, and naturalized elsewhere. Another species, Lycopus americanus has also been erroneously called L. europaeus.
Usage examples of "lycopus europaeus".
Common Gipsyweed (Lycopus Europaeus), frequent throughout Europe, yields a black dye, stated to give a permanent colour to wool and silk.