Bedeguar
Bedeguar ({not transcribed}) , noun
[French, from Per. bād-āward, or bād-āwardag, prop., a kind of white thorn or thistle.]
A gall produced on rosebushes, esp. on the sweetbrier or eglantine, by a puncture from the ovipositor of a gallfly (Rhodites rosa). It was once supposed to have medicinal properties.
Also: Bedegar