Charrua is a Portuguese nautical expression of the Age of Sail, initially used to designate the use of a frigate or a ship of the line owned by the State as a transport ship, reducing armament and complement, like the French nautical expression en flûte.
[1][2] The charrua had large decks and big space for accommodation, and in sail terms it was not different from the ship of the line, having three masts,[1][2][3] and also a large hold.
[3] The charrua was intended for the transport of troops, food, ammunition, etc.
[3] In the first half of the 19th century, the expression passed to designate any type of ship used as a passenger ship.
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