Sail a zig-zag course towards the wind. Also means the lower part of a sail.
A system of ropes and blocks used to obtain a mechanical advantage or purchase.
Short pieces of yarn attached to the shrouds, or the sails. At the shrouds they indicate the direction of the wind (the apparent wind), and at the sails they help to check the air flow over the sail, so that proper trimming is easier.
Crosswise member to provide hull stiffness and form a seat in a boat.
A spar attached to the rudder by the rudder head, used to control the direction of the boat. Another possibility for steering mechanism is a steering wheel.
Rope used to support the boom when it is not held by the fully hoisted sail.
The part of the hull above the water.
The space on a catamaran, usually made of some kind of mesh, located between the two hulls. It's a place for the crew (like a cockpit on dinghies and cruisers).
Two or more objects observed in line. Used for navigation.
Board forming the flat aft end of a hull.
Belt/seat arrangement slung from the mast to support a person outboard with his feet on the gunwhale. Give greater leverage when using body weight to balance the boat.
A track (usually metal) with a fixture sliding on it. The fixture holds the main sheet (usually), and the sliding allows for changing angles of the sail.
How a boat floats, its attitude.
A three hulled boat.
Tensioning device using right handed and left handed threads for adjustment. Also called a rigging screw when used on shrouds.
The strength and direction of the actual wind blowing. While sailing, the true wind is never felt - it is always a combination of the true wind, and the boat's speed (called the apparent wind), and it is always a little forward to the true wind.
A very small sail, used in a very heavy weather instead of a mainsail.
Boat rigged with a single sail.
Object nearer the direction the wind is coming from than the observer.
Turn away from the wind. A wind change clockwise. To veer a cable is to let it out more.
Disturbed water left astern
Strong rope used for anchoring.
Sailing in a circle to change direction downwind to aviod a gybe. May also mean turning away from the wind, as in veer.
A mechanical device used to assist in pulling on lines. It is a reel-like part of the hardware.
Type of winch particularly used in raising an anchor.
Towards the direction form which the wind is blowing.
Spar supporting the top of a four sided sail, like a gaff but with part of the spar passing across the mast.
Swinging from side to side of the intended course unintentionally.