noun
also camel's thorn
Etymology: so called from the use of its seed as feed for camels
1.
a. : a low spiny shrub ( Alhagi camelorum ) of the Arabian desert that yields manna
b. : a related shrub ( A. maurorum )
2. : an East Indian spiny shrub ( Zizyphus nummularius ) used as fodder for sheep and goats
3. : any of several southern African acacias ; especially : a browse plant ( Acacia giraffae ) of the veld