replenishment tankern. a ship designed to refuel others while at sea.
ΚΠ
1952 Shipping World & Shipbuilding & Marine Engin. News126 105/1 For service as replenishment tankers provision had to be made for carriage of a separate parcel of petrol.
2001 Navy News Sept. 20/2 The other vessels are..the destroyer USS Gonzalez and the German replenishment tanker Rhoen.