Definition of "grillage" [gril•lage]

• A network or frame of timber or steel serving as a foundation, usually on ground that is wet or soft. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The rooms are panelled in carved cedar-wood, and there is charming "grillage" iron-work in the fanlights and outside gates."
• ""The work is timber grillage, but otherwise the materials are largely Roman.""
• "In one design, the conventional gate is backed up by a grillage of embedded steel rods extending across the opening, behind the gate slot."