- the stones, old shells, etc., forming an oyster bed and furnishing points of attachment for the spawn of oysters.
- the spawn of oysters.
- rubbish; refuse: The attic has been a convenient depository for more than 80 years of culch.
- to prepare (an oyster bed) with culch.
- a mass of broken stones, shells, and gravel that forms the basis of an oyster bed
- the oyster spawn attached to such a structure
- refuse; rubbish
