An imaginary line that runs through the centre of the
hull, from the bow to the stern
Depths shown on a navigation chart, at the lowest
possible state of the tide
The tube under the foredeck, in which the genneker is
stored
A device to grip ropes and hold them in place; some
grip automatically, while others need the rope tying
around them
Lower corner of the sail, closest to the stern
Sailing as close to the wind as you can; point of sailing
to sail upwind
The open area in the boat providing space for the
helm and the crew
The ‘rules of the road’ employed to avoid collisions
The compass shown on a chart to aid navigation
Helps the helmsman to sail the boat; usually handles
the jib sheets
A brand of polyester sailcloth that is wrinkle-resistant
and strong
The foil that sits below the hull to counteract the
sideways push of the wind, and to create forward
motion
The casing in the hull through which the daggerboard
is pushed into place
A floor-like surface occupying part of the hull
Applies downwards tension to a sail
To sail in the direction hat the wind is blowing
A hole in the hull from which trapped water can be
drained
The depth of the vessel below the surface
To ‘ease sheets’ means to let the sail out gently
A stopper knot. See Appendix 9.3 Three Essential
Knots
The daggerboard and the rudder
The bottom edge of a sail
Towards the front of the boat
A handle attached to the bottom of the mast, used for
furling the mainsail