The Vice President of the United States is the ex officio President of the Senate, with authority to preside over the Senate's sessions, although he can vote only to break a tie. For decades the task of presiding over Senate sessions was one of the vice president's principal duties.
However, because they ride atop the water, rather than cutting through it as other hulls do, flat-bottom boats are usually limited in the size of their motors. The flat surface may also give a spine-jarring ride in anything less than calm weather.
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.