The ceiling was a perfectly square flat slab, half a mile on a side, hovering above the ground with no visible support.

There was a square slab, looking just like the top of a subterranean pillar, breaking the surface in the deeper wave troughs.

A square slab parted beneath The Shadow's feet.

In his twist toward the slatted door, The Shadow had scooped up the square slab as a shield.

Gently she took Eidiard's hand and led him into the center of the circle, guiding his step up onto the square white slab which marked it.

The square slab with pattern is believed to have been made during the Sukhothai Period.

It was there in front of them, a square slab of granite flush with the ground.

Most of the square slabs of black plastic and glass looked identical to me - but two stood out.

Impelled by a mechanism below, the square slab lifted.

The beam revealed a square slab of stone.