Minimal files to translate a single noun:

CatEus.gf :

    concrete CatEus of Cat = 
      CommonX **
      open Prelude in {
      flags optimize=all_subs ;
    
      lincat
        CN = {s : Str } ;
        N  = {s : Str } ;
    }

LexiconEus.gf:

    concrete LexiconEus of Lexicon = CatEus 
    ** open Prelude in {
    
    oper mkN : Str -> N = \s -> lin N {s = s} ;
    
    lin boy_N = mkN "mutil" ; 
    
    }





TranslateEus.gf:

    --# -path=.:../chunk:alltenses
    
    concrete TranslateEus of Translate = 
      NounEus,
    
      DictionaryEus ** 
    open ResEus, Prelude in {
    
    flags
      literal=Symb ;
    
    }


==Commands==

$ gf DictionaryEus.gf

Dictionary> lin boy_N
mutil