- a tree, Prosopis pubescens, of the legume family, native to the southwestern U.S., bearing twisted pods used as fodder.
- the pod itself.
Origin of screw bean
An Americanism dating back to 1865–70
Also called tornillo.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for screw bean
The screw-bean or screw-pod mesquite is a small slender-trunked tree with sharp spines at the bases of the hoary foliage.Trees Worth Knowing
Julia Ellen Rogers