GLOSSARY

Doubloons Gold coins with a value of eight escudos. Escudos were the gold equivalent of pieces of eight, which were silver).
Fore-And-Aft-Rigged A rig where the leading edges of the sails are attached to the masts of the ship. The plane of the sails can lie flat with the length of the ship.
Heave To A sailing ship stops in mid-ocean by "heaving to". Any sails catching the wind are balanced by another sail that's "backed" to push the ship in the oppposite direction. Once those sails are set it's fairly easy to maintain position with small changes to the sail settings (if you simply took the sails down the ship wouldn't actually remain stationary - it would drift downwind and/or with the current).
Leeward In the direction the wind is blowing (downwind).
Letter of Marque A document commissioning a ship as a "private" ship of war (a privateer), usually to attack enemy merchant shipping (for profit).
Pieces of Eight Silver coins with a value of eight reales (or royals). Pesos are the same as pieces of eight.
Prize A prize is a ship that's been captured.
Royals The common coinage of the Caribbean in the age of the Buccaneers would be the Spanish reales (called royals in English). They had the head of the king or queen on one side.
Square-Rigged A rig where the main sails are attached to yards which lie square to the masts. The plane of the sails can be square to the length of the ship.
Windward The direction the wind is blowing from (upwind).