abeam
Definitions
adv
On the beam; at a right angle to the centerline or keel of a vessel or aircraft; being at a bearing approximately 90° or 270° relative.
We were heading S.S.W., and had a steady breeze abeam and a quiet sea.
[…] waves striking the ship abeam pushed her always south of their new course, and rolled her, and filled her with water so that bailing must be ceaseless […]
Alongside or abreast; opposite the center of the side of the ship or aircraft.
adj
Alongside or abreast; opposite the center of the side of the ship or aircraft.
The island was directly abeam of us.
The sound shifted its place markedly, but without coming nearer. It even grew a little more distant right abeam of the lighter, and then ceased again.
prep
Alongside.
She came abeam the crippled ship.