2026-09-26T21:09:05+01:00https://marinefinds.org.uk/datalabs/terminology/object/format/jsonhttps://marinefinds.org.uk/datalabs/terminology/object/format/xmlhttps://marinefinds.org.uk/datalabs/terminology/object3967143478CLAPPING QUOINYA quoin, usually of stone, with a concave rebate at one corner forming the surface against which the rounded edge of a canal lock gate turns, making a kind of hinge.546P