From German - English Ding/FreeDict dictionary ver. 1.9-fd1: Festring /fˈɛstɾˌɪŋ/ <masc, n, sg> fixed ring <n> see: Festringe
Festring /fˈɛstɾˌɪŋ/ <masc, n, sg> fixed ring <n> see: Festringe