The American Heritage® Dictionary of the English Language, 4th Edition
n. A large three-masted sailing ship with a square rig and usually two or more decks, used from the 15th to the 17th century especially by Spain as a merchant ship or warship.
n. A large, three masted, square rigged sailing ship with at least two decks.
the GNU version of the Collaborative International Dictionary of English
n. A sailing vessel of the 15th and following centuries, often having three or four decks, and used for war or commerce. The term is often rather indiscriminately applied to any large sailing vessel.
The Century Dictionary and Cyclopedia
n. A large unwieldy ship, usually having three or four decks and carrying guns, of a kind formerly used by the Spaniards, especially as treasure-ships, in their commerce with South America.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a large square-rigged sailing ship with three or more masts; used by the Spanish for commerce and war from the 15th to 18th centuries
Word Usage
"Sebastien Carmenon piled up on the rocks with a silk-laden galleon from the Philippines."