Plant in short rows to make a square block of plants.

The 'glass' was a square block of ice with a hole in the centre: on top was a foam of olives, with shards of margarita ice underneath.

Mounted on that pin was a square block.

Covering a square block, the buildings enclosed an enormous central landscaped courtyard.

Suburban grids, however, often depart from the classic square block and include long orthogonal blocks and sidewalks only on one side or none at all.