DuckCorp Dico

Found one definition

1.                 From English - German Ding/FreeDict dictionary ver. 1.9-fd1:
                   
   
   
                   
                     
   interbeds /ˌɪntəbˈɛdz/
   Zwischenschichten <pl>
      Synonyms: interlayers, intercalated beds
    see: interlayer, interbed, intercalated bed