Four-master bark: large four-masted sailboat. Boat that travels with the help of a sail.
Upper main topgallant sail: main topsail of the third or fourth mast.
Mizzen topgallant sail: auxiliary sail of the second mast placed on the stays of the mizzen royal sail.
Main royal sail: sail of the second mast, above the main topgallant sail.
Main topgallant sail: sail of the second mast, above the main topsail.
Main royal staysail: auxiliary sail of the second mast placed on the stays of the main royal sail.
Fore royal: sail of the first mast above the fore topgallant sail.
Fore topgallant sail: sail of the first mast, above the upper fore topsail.
Lower main topgallant sail: sail of the second mast, above the main topsail.
Upper fore topsail: sail of the first mast, above the lower fore topsail.
Lower fore topsail: sail of the first mast, above the foresail.
Flying jib: first triangular sail at the front of the boat.
Outer jib: second triangular sail at the front of the boat.
Inner jib: third triangular sail at the front of the boat.
Middle jib: fourth triangular sail at the front of the boat.
Foresail: lowest sail of the first mast.
Lower main topsail: sail of the second mast above the main sail.
Main sail: lowest sail of the second mast.
Main topmast staysail: sail shaped like an irregular quadrilateral placed at the peak of the second mast.
Upper main topsail: sail of the third mast above the mizzen sail.
Mizzen sail: lowest sail of the third mast.
Mizzen staysail: sail shaped like an irregular quadrilateral placed at the peak of the second mast.
Spanker: lowest sail of the fourth mast.
Lower mizzen topsail: sail of the fourth mast above the spanker.
Mizzen topgallant sail: sail of fourth mast above the lower mizzen topsail.
Mizzen royal: sail of the fourth mast above the mizzen topgallant sail.
Lower main topgallant sail: sail of the fourth mast above the mizzen topsail.
Main royal sail: sail of the fourth mast above the mizzen topgallant sail.