Définitions
1.NounA framework of steel bars resting on side supports to bridge over or around something.
2.NounA supporting framework for a barrel.
3.NounA gantry crane or gantry scaffold.
4.NounA faregate or turnstile controlling the entry and exit of people at a location.
5.NounA cylindrical scanner assembly in the bore of which the response of bodies or tissues to some specific exposure can be detected for 3D imaging.