largestone
nounUK /ˈlɑːdʒ.stəʊn/
US /ˈlɑːrdʒ.stoʊn/
A largestone is a very big rock.
The children climbed onto the largestone by the river.
OTHER MEANINGS
2. A stone of the greatest size among a group of stones.
He picked the largestone from the pile to build the wall.
3. A large stone used as a landmark or marker.
The old largestone marked the edge of the village.
4. A heavy stone used in building or construction.
Workers rolled the largestone into place at the base of the tower.