1. 
   bolson
   (from Spanish bolsón, `large purse`), a semiarid, flat-floored desert valley or depression, usually centred on a playa or salt pan and entirely ... [1 related articles]
   Found op http://www.britannica.com/eb/a-z/b/88
   
   
2. 
   Bolson
   Is a closed desert basin with no drainage outlet, surrounded by mountains.
   Found op http://www.physicalgeography.net/physgeoglos/b.html
   
   

Tip: double click on a word to show its meaning.