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  1  definition  found 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
  Homography  \Ho*mog"ra*phy\,  n. 
  1.  That  method  of  spelling  in  which  every  sound  is 
  represented  by  a  single  character,  which  indicates  that 
  sound  and  no  other 
  2.  (Geom.)  A  relation  between  two  figures,  such  that  to  any 
  point  of  the  one  corresponds  one  and  but  one  point  in  the 
  other  and  vise  versa.  Thus  a  tangent  line  rolling  on  a 
  circle  cuts  two  fixed  tangents  of  the  circle  in  two  sets 
  of  points  that  are  homographic.