chute vs watercourse

chute

• A waterfall or rapid. 

• A framework, trough, or tube, upon or through which objects are made to slide from a higher to a lower level, or through which water passes to a wheel. 

• The pen in which an animal is confined before being released in a rodeo. 

• A parachute. 

• A spinnaker. 

• To parachute. 

watercourse

• Any channel, either natural or artificial, through which water flows.