1. a long, narrow board used for riding on ocean waves

1. to ride waves on a surfboard

Examples

• She carried her surfboard down to the beach.
• The surfboard was made of lightweight foam and fiberglass.
• He waxed his surfboard before entering the water.
• The beginner chose a longer surfboard for better stability.
• They learned to surfboard during their vacation in Hawaii.
• She spent the morning surfboarding in the perfect waves.