A galleon is a sailing ship with three masts. Galleons were used mainly in the fifteenth to seventeenth centuries.
galleon in British English
(ˈɡælɪən)
noun
nautical
a large sailing ship having three or more masts, lateen-rigged on the after masts and square-rigged on the foremast and mainmast, used as a warship or trader from the 15th to the 18th centuries
Word origin
C16: from Spanish galeón, from French galion, from Old French galiegalley
galleon in American English
(ˈgæliən; ˈgæljən)
noun
a large sailing ship with three or four masts and a high forecastle and stern, developed in the 15th and 16th cent., and used as both a warship and a trader