sponson noun 1verb 1forms 3 noun1 •A projection from the side of an aircraft, watercraft, or land vehicle. verb1 •To mount on a projection on the side of a vessel.The belted cruiser Pamiat Azova or Remembrance of Azoff, is 377 feet long. She is an improved Dmitri Dontskoi, and carries her two 8-inch guns in sponsoned barbettes on either broadside — 1899 formssponsoned · sponsoning · sponsons
