The Collaborative International Dictionary
Grillage
Grillage \Gril"lage\, n. [F.] (Hydraulic Eagin.) A framework of sleepers and crossbeams forming a foundation in marshy or treacherous soil.
Wiktionary
grillage
n. a foundation of crisscrossing timber or steel beams, usually for spreading heavy loads over large areas.
Usage examples of "grillage".
Il acheva de vieillir derriere son grillage, ne cultiva point le jardin, qui etait dans ses voeux, et ne greffa pas de poiriers.
If by any accident the shell should be damp in the interior, they are to be heated and dried, on the grillage prepared for that purpose.