QUADRATE n. 9 definitions
A plane surface with four equal sides and four right angles; a square; hence, figuratively, anything having the outline of a square. At which command, the powers militant That stood for heaven, in mighty quadrate joined. Milton.
REFLECTION n. 10 definitions
The return of rays, beams, sound, or the like, from a surface. See Angle of reflection, below. The eye sees not itself, But by reflection, by some other things. Shak.