As the pair reached the open door, they halted perfectly square.

In older buildings none of the walls are straight and nothing is perfectly square.

The opening was perfectly square, and about big enough to admit a goat.

Then she stopped as the path ended and the tree line fell away to form a perfectly square clearing.

It was a piece of chocolate, perfectly square, that had been broken off from a larger bar.

The horse is to stand perfectly square on all four feet.

Inside was a small room, perfectly square, with a big fireplace at one end.

In the twilight, the fields gave way to a perfectly square town.

The bricks or blocks are perfectly square, about ten feet on a side.

It was impossible to tell, looking at the perfectly square doors, which way had been up.