grillages

noun
  1. Plural of grillage: a framework of beams or timbers laid crosswise, used in construction as a foundation or support structure.
  2. Usage: technical/construction; often used in civil engineering and architecture
  3. Plural of grillage: a grating or grill, especially one used in fortifications or as a protective barrier.
  4. Usage: historical/military; less common in modern usage

Examples