gantries

plural of gantry

A framework of steel bars resting on side supports to bridge over or around something.
A supporting framework for a barrel.
A gantry crane or gantry scaffold.
(Singapore, broadly) A faregate or turnstile controlling the entry and exit of people at a location.
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.