windsurfing

n. sport of surfing in the water on a small board equipped with a sail

v. glide on water using a surfboard with an attached vertical sail

Windsurfing is a surface water sport using a windsurf board, also commonly called a sailboard, usually two to five meters long and powered by a single sail. The rig is connected to the board by a free-rotating flexible joint called the Universal Joint (U-Joint). Unlike a rudder-steered sailboat, a windsurfer is steered by the tilting and rotating of the mast and sail as well as tilting and carving the board.
See more at Wikipedia.org...

Verb
1. ride standing on a surfboard with an attached sail, on water; "You cannot windsurf when the air is completely still"
(hypernym) surf
(classification) sport, athletics

n. windsurfing

n. windsurfing