1. 
   GEIS
   General Electric Information Service (company)
   Found op http://www.encyclo.co.uk/visitor-contributions.php
   
   
2. 
   Geis
   In Irish mythology and folklore, a geis (Irish pronunciation: s`; lang; plural geasa) is an idiosyncratic taboo, whether of obligation or prohibition, similar to being under a vow or spell. The Scottish Gaelic spelling "geas" is also seen. ==Geasa in Irish Mythology== A geis can be compared with a ...
   Found op http://en.wikipedia.org/wiki/Geis
   
   
3. 
   geis
   1) General electric information service
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/geis/1
   
   

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