chute

from The American Heritage® Dictionary of the English Language, 4th Edition

• n. An inclined trough, passage, or channel through or down which things may pass.
• n. A waterfall or rapid.
• n. A parachute.
• transitive v. To convey or deposit by a chute.
• intransitive v. To go or descend by a chute.

from Wiktionary, Creative Commons Attribution/Share-Alike License

• 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.
• n. parachute

from the GNU version of the Collaborative International Dictionary of English

• 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.
• n. See Shoot.

from The Century Dictionary and Cyclopedia

• n. An inclined trough or tube along which things can slide from a higher to a lower level; a shoot.
• n. A waterfall or rapid; a fall over which timber is floated.
• n. An opening in a dam through which to float timber.
• 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.
• n. In mining. See shoot.
• To send down or through a chute, as logs.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

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