Source : Webster's Revised Unabridged Dictionary (1913)

Dingey \Din"gey\, Dingy \Din"gy\, Dinghy \Din"ghy\, n. [Bengalee
   dingi.]
   1. A kind of boat used in the East Indies. [Written also
      {dinghey}.] --Malcom.

   2. A ship's smallest boat.