See Also: topsail(dictionary)
Jib Topsail - Sailing(gambling)
Topsail - Sailing(gambling)
fore-topsail(dictionary)
Main Topsail - Sailing(gambling)

topsail (iou)



topsail noun. LME.
[from TOP adjective + SAIL noun1.]
Nautical. In a square-rigged vessel, the sail, or (in larger ships) either of two sails, next above the lower sail. In a fore-and-aft rigged vessel, a square or triangular sail set above the gaff.