grassing

grassing
 n.— «The Tasmanian-made bricks have a special mix of local clay with a high shale content to reduce shrinkage. Before being used to reconstruct the walls next February, the bricks will be stored on site to allow them to stabilise, in a process known as grassing.» —“Special bricks for Port Arthur revamp” The Age (Melbourne, Australia) Oct. 22, 2007. (source: Double-Tongued Dictionary)