Definition of semmit in English:

semmit

noun

Scottish
  • An undershirt; a vest.

    • ‘The fashion of racing up the pitch with the jersey pulled over the face to reveal the sports semmit has been rife these last two or three seasons.’
    • ‘Wearing semmits and hard hats they climbed through young trees to an open slope.’
    • ‘The man who is too sexy for his semmit has been under attack of late.’

Origin

Late Middle English: of unknown origin.

Pronunciation

semmit

/ˈsɛmɪt/