Rutschbahn

Etymology
19th century, from.

Noun

 * 1) slide toy
 * 2)  a very slippery road
 * 1)  a very slippery road

Usage notes

 * There is a tendency to use chiefly of longer slides, winding slides or water slides.  can be used of all kinds, but is particularly preferred for the short kind found on most playgrounds. In the figurative sense, only  is usual.