1. A masonry unit; a concrete block.
2. (Brit.) A walling unit which exceeds in length, width, or height the dimensions specified for a brick.
3. A solid piece of wood or other material.
4. A plank or timber which serves as bridging between joists or the like. 5. In quarrying, the large piece of stone, generally squared, that is taken from the quarry to the mill for sawing, slabbing, and further working.
6. A mechanical device which encloses one or more pulleys, through which chains or ropes pass, usually for hoisting.
7. A small area of city or town which is bounded by neighboring and intersecting streets; the length of a side of such an area.
8. (Brit.) A large building which is divided into a number of units, as a block of flats.