gault
/ɡɔːlt
/noun [mass 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....
- 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 (Gault) Geology A series of Cretaceous clays and marls forming strata in southern England.
Origin
Late 16th century: possibly related to Old Swedish galt, neuter of galder 'barren'.