¹ Source: wiktionary.com
Medical Definition of Uva ursi
1. The dried leaves of Arctostaphylos uva-ursi (family Ericaceae), bearberry, mountain box, a common plant of the north temperate zone; contains antiseptic glycosides, arbutin, methylarbutin, and tannins; has been used in chronic inflammations of the urinary tract. Origin: L. Uva, grape + ursus, bear (05 Mar 2000)