1. 
   Directer
   Di·rect'er noun One who directs; a director. Directer plane (Geom.) , the plane to which all right-lined elements in a warped surface are parallel.
   Found op http://www.encyclo.co.uk/webster/D/72
   
   
2. 
   directer
   One who directs; a director. ... <geometry> Directer plane, the plane to which all right-lined elements in a warped surface are parallel. ... Source: Websters Dictionary ... (01 Mar 1998) ...
   Found op http://www.mondofacto.com/facts/dictionary?directer
   
   
3. 
   Directer
   • (n.) One who directs; a director.
   Found op http://thinkexist.com/dictionary/meaning/directer/
   
   

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