Definition of "beachcombing"

The beachcombings – the wood, the metal, the stones – were more than functional, collected and sorted and arranged as things that were lovely in their own right, artefacts.

2019, Beth Lynch, Where the Hornbeam Grows: A Journey in Search of a Garden

I wandered along, sifting through the Thames' beachcombings. In a patch of sand lay a section of soft pink roof tile some two inches square or so, and witha peg hole.

2013, James Canton, Out of Essex: Re-Imagining a Literary Landscape