DuckCorp Dico

Found one definition

1.                 From en.wiktionary.org:
                   
   
   
                   
                     
   
   ** English
   
   *** Etymology
   From [en].
   
   *** Adjective
   [-]
   
    1. of or pertaining to a stratum
   **** Derived terms
   
    - [en]
    - [en]