"Cuneo"@it . "Keilstein"@de . "حجر العقد"@ar . "Archstone"@en . "Claveau"@fr . . . . "Gratkeilstein"@de . . "Corner voussoir"@en . . "Groin voussoir"@en . . "Arceaux clavés"@fr . . "Cunei di spigolo"@it . . "http://archwort.dainst.org/thesaurus/de/vocab/?tema=979"@de .