Galleons were large sailing ships used primarily from the 16th to the 18th centuries. They were designed for long voyages and were often employed in trade and warfare. Characterized by their multi-deck structure and square rigging, galleons could carry heavy cargo, including precious metals and goods from distant lands. These ships played a significant role in maritime history, especially in the context of European exploration and colonial trade. Galleons were commonly associated with the Spanish treasure fleets, which transported wealth from the Americas to Europe. Their design influenced later shipbuilding and naval architecture.