Definition of "storey"

It was re-built in the year 1659, and conſiſts of two ſtories of aſhler work.—The loweſt, or ground flat, on each ſide of the main gate, is occupied by ſhops, and in the ſecond ſtorey, a range of large windows, with triangular pediments, give light to the Hall.

1798, James Denholm, The History of the City of Glasgow and Suburbs: Compiled from Authentic Records and Other Respectable Authorities. […], 2nd edition, Glasgow: […] R. Chapman, and Stewart and Meikle, page 112

Let the ſtreet be 100 feet in breadth, from front to front; ſunk ſtorey, from front to paliſade, 10 feet; breadth of pavement, 8 feet; the height of the houſe 2 ſtories, 15 feet each, from floor to floor; […]

1805, George Douglass, The Art of Drawing in Perspective, from Mathematical Principles; […], Edinburgh: […] Mundell and Son, and John Anderson, […]; and Longman, Hurst, Rees, & Orme, and T. Ostell, […], page 66

Each of the succeeding stories should be furnished in the same manner, with the platforms directly above one another, to afford protection against loose materials falling upon the man at the pump. If the water is wanted in the second storey, open the ejection pipe and cock below, shut the cock above, and direct the ejection pipe to where it is wanted.

1825, W. S., “Plan for Extinguishing Fire & Protecting Buildings”, in The Glasgow Mechanics’ Magazine; and Annals of Philosophy, volume II, Glasgow: W R. M‘Phun, […], page 277, column 1