Jib-boom, a spar rigged out beyond the bowsprit.
Jurymast, a temporary mast rigged in the place of a lost one.
Lee Board, a board fitted to the lee side of flat-bottomed boats, to prevent their drifting to leeward.
Log, a journal of the proceedings of a vessel; also a line with a triangular piece of board, called the log ship, which is cast overboard to ascertain the ship’s rate of sailing.
Luff, to; to steer the boat nearer the wind.
Lurch, the sudden rolling of a vessel to one side.
Marling-spike, an iron pin sharpened at one end, to separate the strands of a rope.
Martingale, or Dolphin-striker, a short perpendicular spar under the bowsprit’s end.
Miss stays, to fail going about.
Oakum, pieces of yarn picked to pieces, used for caulking.