A narrow horizontal slit is placed between the object and the lens.

The pocket opens to the exterior with a horizontal slit below the tail.

She could just barely make out his eyes behind the long horizontal slits, but she put on the pair he gave her.

The light is shone through an horizontal slit just below the dome.

I watched, fascinated, as the horizontal slits went wide until its eyes were almost black.

They were made of wood, shaped to cover the eyes completely except for a thin horizontal slit, and tied around the head.

Terwiliger, peering close, found himself looking through a horizontal slit.

When he smiles, part of his mouth disappears from the horizontal slit in the mask.

Daylight poured through the horizontal slit that had served them as a doorway.

Use keyhole saw to cut out narrow horizontal slit in wall on each side of hole.