What is a Ground Effect Vehicle?

The RFB X-114 was intended to be able to traverse rougher waters and possibly the open ocean by flying higher than previous ground effect vehicles.

Autonomous Ground Effect Vehicle Demonstrator Aims To Speed Up Maritime Shipping

Ground-effect vehicle - Wikipedia

Russia to equip newest ground effect vehicles with cruise missiles

SimplePlanes Ground Effect Vehicle Challenge

Worlds First 'Real' R/C Ground Effect Vehicle

When will this GEV(Ground Effect Vehicle) be able to fly over the water surface? : r/ModernWarships

Airplane technology: Russia develops huge Ground Effect Vehicle that skims the ground - TomoNews

Russia eyes reviving Cold War-era ground-effect vehicles to patrol the Arctic - ArcticToday

Ground Effect Vehicles v/s Conventional Aircrafts, by Neelay