Caravel is a hyponym of longboat.

In nautical terms the difference between longboat and caravel

is that longboat is among the boats carried by a ship the largest, thus the most capable of boats carried on a ship while caravel is a light, usually lateen-rigged sailing ship used by the Portuguese, as well as Spanish, for about 300 years, beginning in the fifteenth century, first for trade and later for voyages of exploration.