<p><strong>Noun:</strong></p><ul><li>a bituminous substance, usually asphalt, for paving roads, parking lots, playgrounds, etc.</li><li>a road covered with blacktop.</li></ul><p><strong>Adjective:</strong></p><ul><li>pertaining to or surfaced with blacktop: a blacktop driveway.</li></ul><p><strong>Verb:</strong></p><ul><li>to pave with blacktop.</li></ul>