DICTIONARY OF

Lowitz Arc 209 Lump Sum Charter
Lowitz Arc. Inverted arc between mock suns, and touching halo at upper edge and,
sometimes, in vicinity of horizon.
Loxodrome. Curve, or surface of a sphere, cutting all secondary great circles of the sphere
at a constant angle. Curve will continually approach a pole of sphere, but will not reach it in
a finite distance.
Loxodromic Curve. Loxodrome. Rhumb line on surface of Earth.
Lubber. A clumsy and unskilled man.
Lubberland. Imaginary place of bliss where even lubbers are not a nuisance.
Lubber Line. Vertical line on fore side of inside of compass bowl, and in fore and aft line of
ship. Compass reading in line with it is the direction of ship's head.
Lubber's Hole. Trap-door in flooring of top of a mast, and just above lower rigging. Forms
an entry into top as alternative to going by futtock rigging.
Lubber's Point. Short projection aft from inside of compass bow and in fore and aft line of
ship. Has same purpose as 'Lubber Line'.
Lucas Sounding Machine. Special type of machine made for measuring depths up to 6000
fathoms. Modern type has motor for heaving up.
Luff. Weather edge of a fore and aft sail. 2. Weather side of any vessel: opposite to 'Lee'. 3.
Coming closer to wind. 4. Broadest part of ship's bows. 5. A luff tackle. Luff Hooks. Leech
line leading from mainsail or foresail to chess trees. Has a hook in each end.
Luffing Puff. 'Free Puff.'
Luffing Rule. Yacht racing rule that allows a yacht that is being overtaken on her weather
side to haul to windward until her stem is pointing abaft main shrouds of overtaking yacht.
Luff Purchase. 'Double Luff.' Luff Tackle. Purchase consisting of single and double blocks.
Standing part is spliced round neck of strop of single block, so allowing purchase to be
hauled 'two blocks'.
Luff upon Luff. Purchase obtained by hooking block of one luff tackle to fall of another, so
gaining power of 9 or 16.
Lug. Lugsail. 2. Extremity of shackle through which pin is passed.
Lugger. Vessel having one or two masts and a lugsail on each. May carry two or three jibs.
Lugsail. Four-sided sail on a yard slung at a point one-third of length of yard from forward.
May be 'balanced', 'dipping' or 'standing'.
Lull. Temporary cessation of wind-force.
Lumper. Man employed in unloading ships in harbour, or in taking a ship from one port to
another. Paid a 'lump' sum for services.
Lump Sum Charter. Hire of a ship for a stated period and for a stated sum of money.