1. A stream or flow of lava
   "The geologist studied the ancient coulee to understand the volcano's past eruptions";
   - coulée
    
2. [N. Amer] A deep ravine or gulch, often dry in summer
   "The hikers followed the coulee, hoping to find water at its bottom"

Sounds like: coolly, coulis, cooly

Derived forms: coulees, coulées

Encyclopedia: Coulee, North Dakota