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.
mast foot
Articulated part that connects the mast to the board; it allows the mast and sail to pivot.
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.
foot strap
Belt attached to the board to hold the windsurfer’s foot in place; this provides maximum control of the board, especially against strong winds and waves.
daggerboard well
Slot running through the board into which the daggerboard slides.
foot
Lower part of the sail between the clew and the tack.
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.
masthead
Top end of the mast.
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.
