storey meaning
A storey or story is any level part of a building with a floor that could be used by people. The plurals are storeys and stories respectively. The terms floor, level, or deck are used in a similar way, except that it is usual to talk of a 24-storey building, but the 13th floor. The floor at ground or street level is called the ground floor in many places. The words storey and floor exclude levels of the building that are not covered by a roof, such as the terrace on the top r