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27 Cards in this Set

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Sail hoisted on the aft side of the main mast

Pronounced "Mainsul"

Batten Pocket

Pockets in a Sail where battens can be placed to stiffen the Sail


Line controlling tension on sail's luff

Jib/Genoa, headsail, foresail

Sail carried on the headstay or forestay.

Bolt Rope

A Line - sewn into the Luff of a Sail

On smaller craft the Bolt Rope fits in a notch in the Mast or other Spar when the Sail is raised


Small fittings that slide on a rod or line. The most common use is for the inboard end of the mainsheet;

Side to side with line to boom


1 with the wind coming over one side or the other

2 to change tacks by heading up until the sails swing across the boat

3 the corner of a sail attached to the deck or a mast

Running Rigging

Rigging lines that are adjustable while sailing - controls the sails


Small snap hook that secures the jib luff to the headstay

Small snap hook that secures the jib luff to the headstay


Top Corner of a Sail


A line or wire rope that hoists a sail and keeps it up

Bottom Topping Lift

A line or wire that holds up a boom or spinnaker pole

Holds the boom down to keep the sail from twisting off and spilling wind


The after lower corner of a mailsail, jib or mizzen, and either lower corner of a spinnaker


Line that controls the position of the mainsail


Small wind indicator (yarn or ribbon) attached to the sail or shrouds to help determine sail trim


Forward edge of the sail

Bubbling or flapping in a sail


A sheet (line) used to control the position of the jib. The jib has two sheets, and at any time one is the working sheet and the other is the lazy sheet

Roller Furler

Equipment to roll a sail to store it

A general term for jibs or headsails which can be rolled around their own Luffs, whether for reefing or just for furling. The first, using a wooden Luff spare turning on a wire threaded through its length, was introduced by Captain du Boulay in 1887. Modern versions of the same idea use an aluminum alloy spar. Both these kinds may be used for reefing – that’s to say with the sail partially deployed. The all-or-nothing furling gears have wire at the luff, as in the Wykeham Martin gear.


Bottom edge of the sail

Boom Vang

Line tension control (tackle or rod) from the boom bottom to the mast - restrains the boom from lifting


A metal hook that secures a line to another object

A metal link which can be opened or closed. The most common is U-shaped and is called a D-shackle, the open part of the U being closed by a threaded pin.


the aft edge of a mailsail, jib or mizzen and both sides of a spinnaker


A sail control that secures the clew of a boomed sail and adjusts tension along its foot

An outhaul is a line which is part of the running rigging of a sailboat, used to extend a sail and control the shape of the curve of the foot of the sail. It runs from the clew (the back corner of the sail) to the end of the boom. The line is pulled taut to the appropriate tension to provide the desired shape to the foot and then secured to a cleat on the boom.


Wood or plastic slat inserted in the leech of a sail


A line that holds an object down

The downhaul is a line which is part of the rigging on a sailboat; it applies downward force on a spar or sail.

Parts of a sail

Head: Top of the Sail.

Tack: Front lower corner of the sail.

Foot: Bottom of the sail

Luff: Forward edge of the sail

Leech: Back edge of the sail

Clew: Bottom back corner of the sail.


Line rigged from the boom to deck that prevents the boom from swinging across the boat accidently.