- a spiny tree or shrub of the pea family, native to arid regions of southwestern US and Mexico. It yields useful timber, tanbark, medicinal products, and edible pods. The timber is used for fencing and flooring, and burned in barbecues as flavoring.
- Genus Prosopis, family Leguminosae: several species, in particular P. glandulosa
mid 18th century: from Mexican Spanish mezquite