Definitions for "Beam reach"
Keywords:  sail, abeam, boat, wind, apparent
This is sailing at 90 degrees to the wind where the wind is coming directly over the beam of the board.
Point of sail when the apparent wind from directly abeam
The point of sail at which the boat is sailing at a 90-degree angle to the wind Bear off-To alter the boat's course away from the wind
Keywords:  waterline, seas
Beam Seas Beam Waterline