Definitions for "Abeam"
Keywords:  keel, fore, aft, abreast, centerline
On the beam, that is, on a line which forms a right angle with the ship's keel; opposite to the center of the ship's side.
At a right angle to the middle of a vessel's keel.
Off the side, amidships, at right angles to the fore and aft line.
Keywords:  marconi, fid, rig
Fid Marconi rig