slab
n. countable B2 Upper Intermediate US //ˈsɫæb// UK //slˈæb// slab
n. a thick, flat piece of a hard material like stone, wood, or chocolate. It is usually rectangular and heavy.
n. a broad, flat, and thick piece of a solid material, typically stone, concrete, or metal. In technical contexts, it may refer to a large block of memory or a tectonic plate.
He cut a thick slab of cheese for his sandwich.
Workers laid a heavy concrete slab to create the foundation for the new garden shed.
The sculptor spent weeks selecting the perfect slab of Carrara marble, looking for a piece without any internal fractures that might ruin the delicate features of the statue.
Usage
Often followed by 'of' to specify the material.