culch

/K AH1 L CH/
noun
  1. 1

    The rocks, crushed shells, and other sea detritus that create an oyster bed, where oyster spawn can attach themselves.

verb
  1. 1

    To prepare an oyster bed with such (culch) attachments.

  2. 2

    To accumulate small household items of little value.

Source: https://en.wiktionary.org/wiki/culch