Definition of semmit in English:
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.
late Middle English: of unknown origin.