1) Boat type 
Tongkang or `Tong`kang` were a type of light wooden boat used commonly in the early 19th century to carry goods along rivers in Maritime Southeast Asia. The tongkang was an unmotorised open cargo boat, propelled by a variety of methods, including rowing, punt poles and sail. The early tongkangs were about 20 ton burthen or less; they were prope......
• (n.) A kind of boat or junk used in the seas of the Malay Archipelago.
Tong'kang noun (Nautical) A kind of boat or junk used in the seas of the Malay Archipelago.