From Longman Dictionary of Contemporary Englishskateboardskate‧board /ˈskeɪtbɔːd $ -bɔːrd/ ●●○ noun [countable] 
DSOa short board with two small wheels at each end, which you can stand on and ride for fun or as a sport —skateboarding noun [uncountable] —skateboarder noun [countable]
DSOa short board with two small wheels at each end, which you can stand on and ride for fun or as a sport —skateboarding noun [uncountable] —skateboarder noun [countable]Examples from the Corpus
skateboard• Skateboard Tow Head on his skateboard threads through a crowd of feet and faces delayed to a slow stupidity.• These include a skateboard and a punchball.• Undoubtably you will come across Koopas making a getaway on a skateboard, bike, balloon, or whatever.• Students may remember their early failures in learning to ride a bike or a skateboard, or learning to swim.• Suddenly she trips over a skateboard in front of a home and crashes to the ground.• A new voucher system enables kids to choose attractive and colourful frames, which reflect the brightness of mountain bikes and skateboards.• A teenager carrying his skateboard passed a man wearing a yarmulke.• He finds a lumber mill and a metal shop that will sell him wood planks and wheels for $ 5 per skateboard. 