Source : Webster's Revised Unabridged Dictionary (1913)

Complanate \Com"pla*nate\ (? or ?), a. [L. complanatus, p. p. of
   complanare to make plane. See {Plane}, v. t.]
   Flattened to a level surface. [R.]

Complanate \Com"pla*nate\, v. t.
   To make level. [R.]