- On the north-west side of Smithfield, at the eastern end of the "Pennes" (O. and M. 1677), north of Cow Lane.Smithfield pond, of olde time in Records called Horsepoole, for that men watered horses there, and was a great water (S. 382).Earliest mention: "le Horsepol," 1341 (Ct. H.W. I. 450).Filled up since the Fire of London, 1666.
A Dictionary of London. Henry A Harben. 1918.