All lenses project circles; most cameras cut a square or rectangular image out of the middle of the optical pie.
A dressage competition takes place in an entirely flat and rectangular arena.
A German dining-room, with a rectangular dinner-table occupying the middle of the floor.
The world is conceived of as rectangular and flat, and is represented by a square.
Let a rectangular patch of white light having about the same dimensions as the rectangular spectrum be now thrown upon the screen.
Further, the chancel at Bradford is rectangular, not apsidal.
The Gothic ribs beneath the tower are rectangular and three feet wide.
It is rectangular, with an entrance about the middle of each side.
The arm pieces are bolted to the sides of the rectangular frames beneath the wings.
It was, like the other components of the picture, rectangular; but it was a displaced rectangle.