| 1. | any of several prostrate shrubs belonging to the genus Arctostaphylos, of the heath family, esp. A. uva-ursi, having tonic, astringent leaves and bright-red berries. |
| 2. | cascara. |
| 3. | possum haw (def. 1). |
| 4. | any of several other plants, as some species of cranberry. |
| a buckthorn, Rhamnus purshiana, of the Pacific coast of the U.S., having finely toothed leaves and flowers in umbels and yielding cascara sagrada. |

| a shrub, Ilex decidua, of the southeastern U.S., having leaves that are hairy on the upper surface and glossy, red fruit. |