WordReference Random House Unabridged Dictionary of American English © 2019
a•beam  (ə bēm),USA pronunciation adv. 
  1. Nautical, Naval Termsat right angles to the fore-and-aft line:The vessel was sailing with the wind directly abeam.
  2. Nauticaldirectly abreast the middle of a ship's side.
  • a-1 + beam 1830–40


Collins Concise English Dictionary © HarperCollins Publishers::

abeam /əˈbiːm/ adv , adj
  1. (postpositive) at right angles to the length and directly opposite the centre of a vessel or aircraft
Etymology: 19th Century: a-² + beam



'abeam' also found in these entries:
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