1. 
   Subsign
   Sub·sign' transitive verb [ imperfect & past participle Subsigned ; present participle & verbal noun Subsigning .] [ Latin subsignare ; sub under + signare to mark: ...
   Found op http://www.encyclo.co.uk/webster/S/227
   
   
2. 
   Subsign
   • (v. t.) To sign beneath; to subscribe.
   Found op http://thinkexist.com/dictionary/meaning/subsign/
   
   
3. 
   subsign
   1) To sign beneath
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/subsign/1
   
   

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