felsenmeer
noun
fel·sen·meer
ˈfelzənˌme(ə)r
plural -s
: an assemblage of angular and subangular rock fragments completely mantling the surface and commonly present in mountainous regions above timberline where slopes are not too steep to retain the loose debris
Word History
Etymology
German, from felsen, fels rock (from Old High German felis) + meer sea (from Old High German meri) (mountain), marine