絵図面 is read as えずめん (ezumen) and means a plan.
えずめん
ezumen
えづら
impression given by a painting or image
えず
illustration
えちず
pictorial map
ずめん
drawing
へいめんず
ground plan
じょうめんず
top view (esp. diagrams)
りつめんず
elevation (view)
しょうめんず
front elevation
へいめんずけい
plane figure
ずめんをひく
to draw a plan
そくめんず
side view
だんめんず
cross-section view