Abreast (5)
'abreast' is the definition.
(thesaurus)
This is the entire clue.
(Other definitions for abeam that I've seen before include "At right angles to the side of a ship" , "To the right or left of the centre of the ship" , "neither fore nor aft?" , "across the deck" , "across width of ship" .)
'abreast' is the definition.
(synonyms)
This is the entire clue.
(Other definitions for side by side that I've seen before include "In tandem" , "Close together, abreast" , "shoulder to shoulder" , "As partners" , "Level" .)