Also bootschip in Dutch, literally translated as 'boatship". Brigantine: A two-masted vessel with square sails on the foremast and fore-and-aft sails on the mainmast. In the 17th century the term Brigantine was also used to describe any variety of small two-masted square-rigged vessels. Caravel: A relatively small but highly manoeuvrable Portuguese vessel of the 15th and 16th centuries setting lateen sails on two, three, or four masts and sometimes setting a single square sail on the foremast.
A frigate was armed with between 30 to 44 guns located on the gun deck and possibly some on the quarter-deck and forecastle.
The first mention of a cog is from 948 AD in Muiden near Amsterdam.
Even though the usual clinker construction limited the ultimate size of a cog, the English chronicler Thomas Walsingham speaks of great cogs in 1331 with three decks and over 500 crew and soldiers. A fast-sailing fore-and-aft rigged single-masted vessel usually setting double headsails, used for patrol and dispatch services.
Bomb Vessel: Developed by the French to battle the Barbary corsairs, these vessels used high trajectory mortars instead of conventional guns.
The hull was strengthened to take the weight of one or more mortars and the foremast was completely omitted.