<p><strong>Noun:</strong></p><ul><li>A device for riding upon, usually while standing, consisting of a short, oblong piece of wood, plastic, fiberglass, or aluminum mounted on large roller-skate wheels, used on smooth surfaces and requiring better balance on the part of the rider than ordinary roller skates do.</li></ul><p><strong>Verb:</strong></p><ul><li>(Used without object) To ride a skateboard: She skateboarded during her lunch break nearly every day.</li></ul>