(adv.) 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.

abeam acquainted along by alongside au courant au fait beside by coextensively collaterally contemporary conversant equidistantly in parallel informed nondivergently parallelly parallelwise red-hot side-by-side up up-to-date up-to-the-minute versed