'Purbeck beds' definitions:

Definition of 'Purbeck beds'

From: GCIDE
  • Purbeck beds \Pur"beck beds`\ [So called from the Isle of Purbeck in England.] (Geol.) The strata of the Purbeck stone, or Purbeck limestone, belonging to the Oolitic group. See the Chart of Geology. [1913 Webster]