Latitude Imaginary lines running parallel round the globe
from east to west. They help you measure position
and distance on a chart.
Leech The back edge of the sail
Leeward The part of the boat furthest away from the direction in
which the wind is blowing
Leverage The result of using crew weight as a ‘lever’ to
counteract heel caused by the wind
Lie To A way of stopping the boat temporarily by easing
sheets on a close reach
Lifejacket Unlike a buoyancy aid, a lifejacket will keep a person fully
afloat with their head clear of the water
Lifting Handle Handles located at the back of the boat, used when
lifting
Longitude Imaginary lines running round the globe from north to
south, like segments of an orange. Used with lines of
latitude to measure position and distance
Lower Mast Collar Collar near the base of the mast that sits under the
mast gate when the mast is stepped
Luff The front edge of the sail
Lull When the wind briefly stops blowing as hard, there is a
‘lull’ in the wind
M
Mainsail The largest sail on a boat
Mainsail Clew Hook The fitting that is loosely attached to the boom, allowing it
to slide back and forth, which hooks onto the clew of the
mainsail and holds the sail in place
Mainsheet The rope used to control the mainsail
Mainsheet Bridle The rope runs across the transom of the boat, to
which the mainsheet is attached
Mast Foot The bottom of the mast