gantries

/G AE1 N T R IY0 Z/
noun
  1. 1

    A framework of steel bars resting on side supports to bridge over or around something.

  2. 2

    A supporting framework for a barrel.

  3. 3

    A gantry crane or gantry scaffold.

  4. 4

    (medical imaging) A cylindrical scanner assembly in the bore of which the response of bodies or tissues to some specific exposure can be detected for 3D imaging.

Source: https://en.wiktionary.org/wiki/gantries, https://en.wiktionary.org/wiki/gantry