*cultch*

n. [ Etymol. uncertain. ] Empty oyster shells and other substances laid down on oyster grounds to furnish points for the attachment of the spawn of the oyster. [ Also written cutch. ] [ 1913 Webster ]

2. Young or seed oysters together with the shells and other objects to which they are usually attached. [ Webster 1913 Suppl. ]

3. Rubbish; débris; refuse. [ Webster 1913 Suppl. ]