Hunter H45DS Operator's Manual page 208

Hunter 45DS • Glossary
line; two transit give position fix.
Traveller: 1, a ring or hoop that can be hauled along a
spar; 2, a fitting that slides in a track and is used to alter
the angle of the sheets.
Trim: 1, to adjust the angle of the sails, by means of
sheets, so that they work most efficiently; 2, to adjust
the boat's load, and thus the fore and aft angle at which
it floats.
True wind: the direction and speed of the wind felt
when stationary, at anchor or on land.
Turnbuckle: see Rigging screw.
U
Under way: a boat is under way when it is not made
fast to shore, at anchor or aground.
Uphaul: a line used to raise something vertically, e.g.,
the spinnaker pole.
V
Veer: 1, the wind veers when it shifts in clockwise direc-
tion; 2, to pay out anchor cable or rope in a gradual,
controlled way.
W
Wake: the disturbed water left astern of a boat.
Waterline: the line along the hull at which a boat floats.
Waterline length (WL): the length of a boat from stem
to stern at the waterline. It governs the maximum speed
of displacement hull and effects a boats rating.
Weather helm: ( opp. of lee helm).
Weather side: the side of a boat on which the wind is
blowing.
Wetted surface: the area of the hull under water.
Whisker pole: a light pole used to hold out the clew of
a headsail when running.
Winch: a mechanical device, consisting usually of a
metal drum turned by a handle, around which a line is
wound to give the crew more purchasing power when
hauling taut a line, e.g. a jib sheet.
Windage: those parts of a boat that increase drag, e.g.,
rigging, spars, crew, etc.
Windlass: a winch with a horizontal shaft and a vertical
handle, used to haul up the anchor chain.
Windward: the direction from which the wind blows;
towards the wind (opp. of leeward).
Y
Yawl: a two masted boat with a mizzen stepped aft of
the rudder stock/ post.
15.6