cushion of air

Translations
подушка воздуха
The hovercraft glides on a cushion of air.
Судно на воздушной подушке скользит на подушке воздуха.
Definitions
A cushion of air refers to a layer or pocket of air that provides support or cushioning, often used in contexts such as aviation, where it can describe the air pressure that helps lift and stabilize an aircraft, or in everyday situations where air is trapped to create a soft barrier.