keystone
/AmE ˈkiˌstoʊn 
, BrE ˈkiːstəʊn /
noun
1 (Architecture) dovela f, sillar m de clave, clave f de bóveda
2 (central principle) piedra f angular, clave f de bóveda
keystone
English → Spanish
Oxford English–SpanishEnglish → SpanishOxford English–Spanish