Wörterbuch (en): Starting stone / Capstone
de:
Kämpferstein (m) / Anfängerstein (m)
fr:
Carlin (m) / Pierre du débutant (f)
it:
Carlino (m) / Pietra del principiante (f)
es:
Piedra de doguillo (f)
The starting stone is the first stone of an arch or vault that rests on the chamfer. The chamfer is the uppermost part of the abutment of an arch or vault.