noun

• 1

  (also gault clay)

  A thick, heavy clay.

  ‘The single-storey building is steel-framed, and clad externally with buff (gault) bricks with wide raked joints, giving a strip effect.’

  More example sentences

  • ‘The feasibility study into remanufacturing traditional gault clay peg tiles is near completion, thanks to the support of the local authorities and English Heritage.’

  1. 1.1Geology A series of Cretaceous clays and marls forming strata in southern England.