Homography
Pronunciation : Ho*mog"ra*phy
Part of Speech : n.
Definition : 1. That method of spelling in which every sound is represented by a single character, which indicates that sound and no other.
2. (Geom.)
Defn: 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.
Source : Webster's Unabridged Dictionary, 1913