CEFR B2

air jacket

noun

Meaning

A wearable garment designed to be inflated with air to provide buoyancy or thermal insulation.

Examples

  • Every passenger on the small aircraft was required to locate their air jacket before takeoff.
  • The specialized air jacket kept the diver warm during the long descent into the cold abyss.

Synonyms: life vest, life jacket, buoyancy aid, personal flotation device