chute

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. An inclined trough, passage, or channel through or down which things may pass.
2. n. A waterfall or rapid.
3. n. A parachute.
4. v. To convey or deposit by a chute.
5. v. To go or descend by a chute.

Century Dictionary and Cyclopedia

1. n. An inclined trough or tube along which things can slide from a higher to a lower level; a shoot.
2. n. A waterfall or rapid; a fall over which timber is floated.
3. n. An opening in a dam through which to float timber.
4. n. In Louisiana and along the Mississippi, a bayou or side channel; also, a narrow passage between two islands, or between an island and the shore.
5. n. In mining. See shoot.
6. To send down or through a chute, as logs.

Wiktionary

1. n. 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.
2. n. parachute

GNU Webster's 1913

1. n. 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.
2. n. See Shoot.

WordNet 3.0

1. n. sloping channel through which things can descend
2. v. jump from an airplane and descend with a parachute
3. n. rescue equipment consisting of a device that fills with air and retards your fall