grillage

noun

A foundation of crisscrossing timber or steel beams, usually for spreading heavy loads over large areas.

The grillage surrounding the garden keeps out the rabbits.

意味（1）

A foundation of crisscrossing timber or steel beams, usually for spreading heavy loads over large areas.

Workers laid foundations of immense timbers in crisscrossed layers following Root's 'grillage' principle.