[{"Bold_text": "noun", "List Items": ["an oar mounted on a fulcrum at the stern of a small boat and moved from side to side to propel the boat forward.", "either of a pair of oars rowed by one rower.", "a boat propelled by an oar or oars.", "a light, narrow racing boat for one, two, or sometimes four rowers, each equipped with a pair of oars.", "sculls,a race involving such boats.Compare double sculls double sculls, single sculls single sculls."]}, {"Bold_text": "verb (used with object)", "List Items": ["to propel or convey by means of a scull or sculls."]}, {"Bold_text": "verb (used without object)", "List Items": ["to propel a boat with a scull or sculls."]}]