- the spirally twisted pod growing on a mesquite tree (Prosopis pubescens) of the SW U.S., often used for fodder
- this tree
See screw bean in American Heritage Dictionary 4
In both senses also called tornillo
- A shrub or small tree (Prosopis pubescens) of the southwest United States and adjacent areas of Mexico, having pinnately compound leaves, tiny yellowish-white flowers, and twisted pods used as fodder.
- The pod of this plant.