FISHTAIL • DICCIONARIO INGLES.COM • Definition of Fishtail

... knotted. In surf or heavy sea, this construction gave the craft a supple strength. Calking was done with woolen cloth steeped in pitch. The mast, of a chosen trunk of fir, was set upright in a log with ends shaped like a fishtail. The long oarlike rudder was on the board or side of the ship to the right of the stern, called the starboard or steerboard. The lading was done on the opposite side, the larboard or ladderboard. There were ten oars to a side, and a ...

— Days of the Discoverers • L. Lamprey