Selection from the Nautical Dictionary
Small flag often at the mast head which is often used to indicate wind direction.
Universal joint fitting that links the end of the boom to the mast.
Pulley wheel over which a rope passes.
Strong rope used for anchoring.
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.
A system of ropes and blocks used to obtain a mechanical advantage or purchase.
Tide with the greatest range in a four week cycle.
Sail with the wind abeam, or almost so.
How a boat floats, its attitude.
The right hand side of the boat.