skate·board 
(skātbôrd′)
(skātbôrd′)n.
A usually short, narrow board having a set of four wheels mounted under it, ridden in a standing or crouching position and often used to perform stunts.
intr.v. skate·board·ed, skate·board·ing, skate·boards
To ride or perform stunts on a skateboard.
skateboard′er n.
skateboardJosh Stafford at the
2008 Dew Tour
Cleveland, Ohio