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.
A waterfall or rapid.
The pen in which an animal is confined before being released in a rodeo.
A parachute.
A spinnaker.
To parachute.
A vertical pipe or conduit that carries rainwater from the scupper, guttering of a building to a lower roof level, drain, ground or storm water runoff system.