Definition of Mae West in English:

Mae West

noun

informal, dated
  • An inflatable life jacket, originally as issued to RAF personnel during the Second World War.

    • ‘Over the clothing we wore a Mae West, then the British parachute and, on top of that lot, came the quick-release Sutton harness.’
    • ‘Their flight suits were khaki and they wore yellow Mae West life vests.’
    • ‘He was wearing his Mae West life jacket, as he always did on a mission over water, because he couldn't swim.’

Origin

1940s: from the name of the American film actress Mae West(see West, Mae), noted for her large bust.

Pronunciation:

Mae West

/meɪ ˈwɛst/