Definitions for "Luff"
Keywords:  sail, jib, windward, fore, mainsail
The side of a ship toward the wind.
The act of sailing a ship close to the wind.
The roundest part of a ship's bow.
Keywords:  pawn, kmoch, beam, rank, longer
Longer side of the horizontal beam of the pawn cross.
Kmoch's expression for the part of a rank divided by a Pawn having the greater number of squares.