sailboard
Floating board with a sail; it is used in windsurfing, a sport consisting of gliding on water.
bow 
Forward part of the board; it curves slightly upward.
daggerboard 
Usually retractable, vertical skeg that keeps the board on course.
mast sleeve 
Part of the sail that slips over the mast; it has an opening for the wishbone boom, where it is attached to the mast.
luff 
Front edge of the sail; it is located along the mast sleeve.
window 
Transparent section through which the windsurfer can see any objects or boats on the other side of the sail.
wishbone boom 
Metal or carbon hoop that is attached to the mast at one end and the clew at the other; it directs the sail and helps the windsurfer stay balanced.
mast 
Long vertical part that is sometimes slightly inclined; it supports the wishbone boom and the sail.
uphaul 
Knotted rope that runs from the wishbone boom to the mast foot; it is used for righting the sail when it is in the water.
tack 
Point that forms the front lower angle of the sail; it is attached to the foot of the mast sleeve.
board 
Floating device made of synthetic material on which the windsurfer rides; its shape varies depending on its use (racing, slalom, waves, jumping).
skeg 
One of the triangular parts aft and under the board that stabilize its course; the shorter the skegs, the easier the board is to handle.
stern 
Back part of the board.
daggerboard well 
Slot running through the board into which the daggerboard slides.
clew 
Point forming the small angle at the back of the sail; it is attached to the wishbone boom.
leech 
Aft edge of the sail between the masthead and the clew.
batten pocket 
Slot into which a batten is slipped.
batten 
Rigid pole inserted into the sail’s batten pockets to maintain its shape.
sail 
Assembly of fabric or plastic sections that is rigged on a mast; it forms a surface that allows the board to sail with the wind.