| prosopis | (n) genus of tropical or subtropical branching shrubs or trees: mesquite, Syn. genus Prosopis |
| prosopium | (n) whitefishes, Syn. genus Prosopium |
| algarroba | (n) mesquite of Gulf Coast and Caribbean Islands from Mexico to Venezuela, Syn. Prosopis juliflora, Prosopis juliiflora |
| honey mesquite | (n) thorny deep-rooted drought-resistant shrub native to southwestern United States and Mexico bearing pods rich in sugar and important as livestock feed; tends to form extensive thickets, Syn. Prosopis glandulosa, Western honey mesquite |
| rocky mountain whitefish | (n) whitefish of the western United States and Canada, Syn. Prosopium williamsonii |
| round whitefish | (n) a whitefish with a bronze back; of northern North America and Siberia, Syn. Menominee whitefish, Prosopium cylindraceum |
| screw bean | (n) shrub or small tree of southwestern United States and northwestern Mexico having spirally twisted pods, Syn. tornillo, screwbean mesquite, Prosopis pubescens, screwbean |