Alongside or abreast; opposite the center of the side of the ship or aircraft.
The island was directly abeam of us.
On the beam; at a right angle to the centerline or keel of a vessel or aircraft; being at a bearing approximately 090 Degrees or 270 Degrees relative.
Alongside or abreast; opposite the center of the side of the ship or aircraft.
Alongside.
She came abeam the crippled ship.