1. a bridge-like overhead structure with a span, used to support equipment, signals, or machinery over a railway, road, or other area
Usage: commonly used in industrial and transportation contexts
2. a movable framework with a crane, used in shipyards and construction sites to lift and position heavy objects
Usage: industrial/construction term
3. a tall framework structure used to support and position a rocket or spacecraft before launch
Usage: aerospace/space industry term

Examples

• The signal gantry over the railway tracks displayed the train's status.
• Workers used the gantry crane to lift the heavy steel beams into place.
• The shipyard's gantry could move along the dock to service different vessels.
• The rocket sat beneath the launch gantry as technicians made final preparations.
• Traffic lights hung from the gantry spanning the highway.
• The construction site featured a massive gantry for moving prefabricated sections.
• Engineers inspected the gantry structure before the spacecraft launch.