stonesupport

noun
UK /ˈstəʊn.səˌpɔːt/
US /ˈstoʊn.səˌpɔːrt/

A stonesupport is a strong stone that holds something up so it does not fall.

The old bridge stood on a big stonesupport that kept it safe over the river.


OTHER MEANINGS

2. A stone block placed under a heavy object to keep it steady.

They put a stonesupport under the wobbly table leg.

3. A person or thing that gives strong, steady help, like a rock.

Her grandmother was the stonesupport of the whole family.

4. In building, a stone part that carries the weight of a wall or roof.

The workers checked each stonesupport before fixing the roof.