Ichnography \Ich*nog"ra*phy\, n. [Gr. ?; 'i`chnos track,
footstep + ? to describe: cf. F. ichonographie.] (Drawing)
A horizontal section of a building or other object, showing
its true dimensions according to a geometric scale; a ground
plan; a map; also, the art of making such plans.
[1913 Webster]