The Collaborative International Dictionary of English v.0.48:

Bing \Bing\, n. [Cf. Icel. bingr, Sw. binge, G. beige, beuge.
   Cf. Prov. E. bink bench, and bench coal the uppermost stratum
   of coal.]
   A heap or pile; as, a bing of wood. "Potato bings." --Burns.
   "A bing of corn." --Surrey. [Obs. or Dial. Eng. & Scot.]
   [1913 Webster]