- A body of infantry drawn up in a square with a space in the middle.More example sentences
- Locals stood five deep around a 20 metre hollow square watching as weapons were destroyed by the Military Engineer Group.
- British soldiers stood in a hollow square
- Early on the morning of 29th February the British column set out, marching in the form of a hollow square.
More definitions of hollow squareDefinition of hollow square in:
- The US English dictionary