raceway

 
Pronunciation: /ˈreɪsweɪ/

noun

chiefly North American
  • 1a water channel, especially an artificial one of running water in which fish are reared.
  • a groove or race in which bearings run.
  • a pipe or tubing enclosing electric wires.
  • 2a track for trotting, pacing, or harness racing.
  • a track for motor racing.