The tables inside the hall had been arranged to form a large hollow square so that we could all see one another.
The cavalry fell back to its first line, leaving once more a hollow square.
The field where you are to land will be marked with a hollow white square.
The plan looks like two hollow squares joining one corner of each square.
The other black men formed a hollow square around the travelers.
The inside of the fortress was designed like a hollow square.
The building formed a hollow square, the inside being a parade ground.
I crossed the hollow square of a courtyard and came to the main door.
The blacks formed round them in a hollow square, to keep off the people.
No wonder she'd spent the morning getting lost, if the house really was built on a hollow square.