DuckCorp Dico

Found one definition

1.                 From The Collaborative International Dictionary of English v.0.48:
                   
   
   
                   
                     
   Gloaming \Gloam"ing\, n. [See Gloom.]
      1. Twilight; dusk; the fall of the evening. [Scot. & North of
         Eng., and in poetry.] --Hogg.
         [1913 Webster]
      2. Sullenness; melancholy. [Obs.] --J. Still.
         [1913 Webster]