a town of Hertfordshire in England, seated in E. Long. 0. 1. N. Lat. 52. 3. It is seated in a fertile vale full of inns; the market is very considerable for corn, and it contained 1309 inhabitants in There was lately discovered, almost under the market place, a subterraneous chapel of one Rosia, a Saxon lady: it has several altars and images cut out of the chalky sides, and is in form of a sugar-loaf, having no entrance but at the top.