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Found one definition

1.                 From en.wikipedia.org:
                   
   
   
                   
                     
   [wikt] SHET may refer to:
   
    - Shet District , a district of Karagandy Province in central Kazakhstan.
    - Shett , a title used by some communities originating on western coast of India
   ** See also
   
    - Sheet (disambiguation)
    - Seth (disambiguation)
    - Sett (disambiguation)
   [disambiguation]