<p><strong>Noun</strong></p><ul><li>an oar mounted on a fulcrum at the stern of a small boat and moved from side to side to propel the boat forward.</li><li>either of a pair of oars rowed by one rower.</li><li>a boat propelled by an oar or oars.</li><li>a light, narrow racing boat for one, two, or sometimes four rowers, each equipped with a pair of oars.</li><li>sculls, a race involving such boats.</li><li>Compare double sculls, single sculls.</li></ul><p><strong>Verb</strong></p><ul><li>(used with object) to propel or convey by means of a scull or sculls.</li><li>(used without object) to propel a boat with a scull or sculls.</li></ul>