Wiltshire or Wilts (264), an inland county in SW. of England, with Gloucestershire on the N. and Dorset on the S., 54 m. from N. to S. and 37 m. from E. to W.; is largely an agricultural and pastoral county; is flat, rising into hills in the N., and is broken by downs and rich valleys in the S., except on Salisbury Plain; sheep-breeding and dairy-farming are the chief industries, and it is famous for cheese and bacon.