HARMONDSWORTH, a parish in the hundred of ELTHORNE, county of MIDDLESEX, 2 miles (E. by N.) from Colnbrook, containing 1076 inhabitants. The living is a vicarage consolidated with that of West Drayton, in the archdeaconry of Middlesex, and diocese of London, rated in the king's books at £12, and in the patronage of J. G. De Burgh, Esq. The church, dedicated to the Virgin Mary, has a Norman door, and a western tower with angular turrets and battlements. On Hounslow heath, within this parish, is a square intrenchment, each side measuring one hundred yards, supposed to have been the work of Caesar in his war with Cassibelaunus.