Source : Webster's Revised Unabridged Dictionary (1913)

Mesquite \Mes*qui"te\, Mesquit \Mes*quit"\, n. [Sp. mezquite;
   said to be a Mexican Indian word.] (Bot.)
   A name for two trees of the southwestern part of North
   America, the honey mesquite, and screw-pod mesquite.

   {Honey mesquite}. See {Algaroba}
   (b) .

   {Screw-pod mesquite}, a smaller tree ({Prosopis pubescens}),
      having spiral pods used as fodder and sometimes as food by
      the Indians.

   {Mesquite grass}, a rich native grass in Western Texas
      ({Bouteloua oligostachya}, and other species); -- so
      called from its growing in company with the mesquite tree;
      -- called also {muskit grass}, {grama grass}.

Source : WordNet®

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: {Western honey mesquite}, {Prosopis
         glandulosa}]