raceways

/R EY1 S W EY0 Z/
noun
  1. 1

    A place where races are held; a racetrack.

  2. 2

    An easily-accessible conduit or tray for organizing runs of data or power cabling.

  3. 3

    The canal for the current that drives a water wheel.

Source: https://en.wiktionary.org/wiki/raceway, https://en.wiktionary.org/wiki/raceways