Definition from Wiktionary, the free dictionary
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- A shaped waterproof plank, usually made of wood or foam and reinforced plastic, used to surf on waves.
Related terms 
See also 
a shaped waterproof plank used to surf on waves
- To use a surfboard; to surf.
Usage notes 
- Not preferred by surfers, who would say "surf".
- Might be used to distinguish from body-surfing, riding waves without equipment.