1. 
   Pregravate
   Pre'gra·vate transitive verb [ Latin praegravatus , past participle of praegravare to be heavy upon, from praegravis very heavy.] To bear down; to depress. [ Obsolete] Bp. Hall.
   Found op http://www.encyclo.co.uk/webster/P/149
   
   
2. 
   Pregravate
   • (v. t.) To bear down; to depress.
   Found op http://thinkexist.com/dictionary/meaning/pregravate/
   
   

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