Plat"ness, n. Flatness. [Obs.] Palsgrave.
Pla*tom"e*ter (?), n. [Gr. &?; flat + -meter.] See Planimeter.
{ Pla*ton"ic (?), Pla*ton"ic*al (?), } a. [L. Platonicus, Gr. &?;: cf.
F. platonique.] 1. Of or pertaining to Plato, or his philosophy,
school, or opinions.