a large, thick, flat piece of stone, concrete, or wood, typically rectangular.

block, brick, bricklaying, building, building material, cement, change, cobbled, cobblestone, concrete, concrete block, construction, construction industry, construction material, construction site, delivering, development, distribution warehouse, flooring, footpath, housework, improvement, installing, laying, load, mason, masonry, pallet, pavement, paving, paving stone, pile, preparation, reconstruction, renovation, repairing, road, sidewalk, slab, stability, stacking, stone material, storage, store, supply, tile, tiled floor, warehouse, working, yard,