what is hulled
Definition of hull. 1  1a : the outer covering of a fruit or seedb : the persistent calyx or involucre that subtends some fruits (as a strawberry) 2  2a : the frame or body of a ship or boat exclusive of masts, yards, sails, and riggingb : the main body of a usually large or heavy craft or vehicle (as an airship or tank) 3  3 : covering, casing.
The hull is the watertight body of a ship or boat. Above the hull is the superstructure and/or deckhouse, where present. The line where the hull meets the water surface is called the waterline. The structure of the hull varies depending on the vessel type.